{"id":68502,"date":"2023-11-16T11:55:18","date_gmt":"2023-11-16T06:25:18","guid":{"rendered":"https:\/\/www.practicemock.com\/blog\/?p=68502"},"modified":"2023-11-16T11:55:21","modified_gmt":"2023-11-16T06:25:21","slug":"percentage-quant-concept-tricks-calculation-shortcuts","status":"publish","type":"post","link":"https:\/\/www.practicemock.com\/blog\/percentage-quant-concept-tricks-calculation-shortcuts\/","title":{"rendered":"Percentage Quant Concept, Tricks &amp; Calculation Shortcuts"},"content":{"rendered":"\n<p>Percentages is quite an important concept and it is applicable in almost all the concepts of quantitative aptitude. For those who are preparing for the upcoming SBI Clerk and RBI Assistant exams it is important to understand the basics of this concept in order to solve these kinds of questions well in the exam. Here we are going to discuss the Percentage Quant Concept, Tricks &amp; Calculation Shortcuts.\u00a0<\/p>\n\n\n\n<p><a href=\"https:\/\/www.practicemock.com\/sbi-clerk\/?ref=9710\">SBI Clerk Prelims Free Mock Test<\/a><\/p>\n\n\n\n<p><strong>Percentages:<\/strong><\/p>\n\n\n\n<p>If \u2018A\u2019 is \u2018m%\u2019 more than \u2018B\u2019, then \u2018B\u2019 is {100m\/(100 + m)}% less than \u2018A\u2019.<\/p>\n\n\n\n<p>Similarly, if \u2018A\u2019 is \u2018m%\u2019 less than B\u2019, then \u2018B\u2019 is {100m\/(100 \u2013 m)}% more than \u2018A\u2019.<\/p>\n\n\n\n<p>Percentage increase in a number = {Total increase\/Initial value} \u00d7 100<\/p>\n\n\n\n<p>Percentage decrease in a number = {Total decrease\/Initial value} \u00d7 100<\/p>\n\n\n\n<p><a href=\"https:\/\/www.practicemock.com\/sbi-clerk\/?ref=9710\">SBI Clerk Prelims Free Mock Test<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Percentage Quant Concept, Tricks &amp; Calculation Shortcuts&nbsp;&nbsp;<\/strong><\/h2>\n\n\n\n<p><strong>Question 1:<\/strong> In an election in a city, two candidates were there. If candidate A got 60% of total votes cast, then he won by 440 votes. If 300 people (voters) had not cast their vote, then find the number of voters in the city. (All votes cast were valid)<\/p>\n\n\n\n<p>A) 2400<\/p>\n\n\n\n<p>B) 2800<\/p>\n\n\n\n<p>C) 2200<\/p>\n\n\n\n<p>D) 3000<\/p>\n\n\n\n<p>E) 2500<\/p>\n\n\n\n<p><strong>Question 2:<\/strong> A man divided Rs. 7080 among his three children such that Ajatshatru received 20% more than Nirbhaya, and Suryanshu received 25% less than Nirbhaya. What is the share of Ajatshatru?<\/p>\n\n\n\n<p>A) Rs. 1920<\/p>\n\n\n\n<p>B) Rs. 2150<\/p>\n\n\n\n<p>C) Rs. 2400<\/p>\n\n\n\n<p>D) Rs. 2880<\/p>\n\n\n\n<p>E) Rs. 3000<\/p>\n\n\n\n<p><strong>Question 3:<\/strong> Male population and female population of city X in 2017 are in the ratio of 8:5, respectively. In 2018, male population of city X is decreased by 25%, and female population of city X is increased by 40% with respect to previous year. Find the percentage increase\/decrease in the population of city X in 2018 as compared to 2017.<\/p>\n\n\n\n<p>A) No change<\/p>\n\n\n\n<p>B) 12.5%<\/p>\n\n\n\n<p>C) 33.33%<\/p>\n\n\n\n<p>D) 20%<\/p>\n\n\n\n<p>E) 8.33%<\/p>\n\n\n\n<p><a href=\"https:\/\/www.practicemock.com\/sbi-clerk\/?ref=9710\">SBI Clerk Prelims Free Mock Test<\/a><\/p>\n\n\n\n<p><strong>Question 4:<\/strong> In an exam, the marks obtained by the Chetan was 18 less than the passing marks and the marks obtained by the Munna was 27 more than the passing marks. If Chetan and Munna got 30% and 45% marks, respectivelyin the exam, then what were the passing marks of the exam?<\/p>\n\n\n\n<p>A) 132<\/p>\n\n\n\n<p>B) 108<\/p>\n\n\n\n<p>C) 120<\/p>\n\n\n\n<p>D) 100<\/p>\n\n\n\n<p>E) 92<\/p>\n\n\n\n<p><strong>Question 5:<\/strong> In an examination, 40% of the students passed in Maths and 60% passed in Hindi, while 25% students failed in both the subjects. If 150 students passed in both subjects, find the total number of students who appeared in the exam?<\/p>\n\n\n\n<p>A) 450<\/p>\n\n\n\n<p>B) 500<\/p>\n\n\n\n<p>C) 600<\/p>\n\n\n\n<p>D) 640<\/p>\n\n\n\n<p>E) 750<\/p>\n\n\n\n<p><strong>Question 6:<\/strong> An election was held between three persons Hemant, Raghubar and Shibu. Total votes got by Shibu is 25% of total votes cast and Hemant got 35% of total valid votes. If total number of votes cast were 2400 out of which 10% votes were declared invalid then find number of valid votes cast in favour of Raghubar.<\/p>\n\n\n\n<p>A) 788<\/p>\n\n\n\n<p>B) 856<\/p>\n\n\n\n<p>C) 712<\/p>\n\n\n\n<p>D) 804<\/p>\n\n\n\n<p>E) 832<\/p>\n\n\n\n<p><strong>Question 7:<\/strong> Three members A, B and C contested the election. 12% of the votes cast are invalid. Out of the valid votes, A secured 25% votes and B secured 40% votes and won by 77 votes with respect to C. Find the total number of votes (invalid + valid) cast.<\/p>\n\n\n\n<p>A) 2000<\/p>\n\n\n\n<p>B) 1850<\/p>\n\n\n\n<p>C) 1750<\/p>\n\n\n\n<p>D) 1800<\/p>\n\n\n\n<p>E) None of these<\/p>\n\n\n\n<p><a href=\"https:\/\/www.practicemock.com\/sbi-clerk\/?ref=9710\">SBI Clerk Prelims Free Mock Test<\/a><\/p>\n\n\n\n<p><strong>Question 8:<\/strong> \u2018B\u2019 is 25% more than \u2018A\u2019. If \u2018A\u2019 had been 48 more and \u2018B\u2019 had been 20 less, then the ratio of A to B would have been 4:1. Find the sum of \u2018A\u2019 and \u2018B\u2019.<\/p>\n\n\n\n<p>A) 54<\/p>\n\n\n\n<p>B) 68<\/p>\n\n\n\n<p>C) 72<\/p>\n\n\n\n<p>D) 86<\/p>\n\n\n\n<p>E) None of these<\/p>\n\n\n\n<p><strong>Question 9:<\/strong> In a library 60% of the books are in English. The number of books in Hindi is 25% of the number of English books. The number of books in Urdu is 72% of the number of Hindi books and rest books are in Sanskrit. If number of Sanskrit books in library is 355, then find the number of Urdu books in library.<\/p>\n\n\n\n<p>A) 270<\/p>\n\n\n\n<p>B) 320<\/p>\n\n\n\n<p>C) 360<\/p>\n\n\n\n<p>D) 250<\/p>\n\n\n\n<p>E) None of these<\/p>\n\n\n\n<p><strong>Question 10:<\/strong> Two students appeared in an exam and one secured 15 marks more than the other. If marks of student who got more marks is 52% of the sum of the marks of both of them, then find the marks obtained by them.<\/p>\n\n\n\n<p>A) 175, 160<\/p>\n\n\n\n<p>B) 185, 170<\/p>\n\n\n\n<p>C) 195, 180<\/p>\n\n\n\n<p>D) 135, 120<\/p>\n\n\n\n<p>E) 205, 190<\/p>\n\n\n\n<p><a href=\"https:\/\/www.practicemock.com\/sbi-clerk\/?ref=9710\">SBI Clerk Prelims Free Mock Test<\/a><\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 1:<\/strong> \u090f\u0915 \u0936\u0939\u0930 \u092e\u0947\u0902 \u090f\u0915 \u091a\u0941\u0928\u093e\u0935 \u092e\u0947\u0902, \u0926\u094b \u0909\u092e\u094d\u092e\u0940\u0926\u0935\u093e\u0930 \u0925\u0947\u0964 \u092f\u0926\u093f \u0909\u092e\u094d\u092e\u0940\u0926\u0935\u093e\u0930 A \u0915\u094b \u0915\u0941\u0932 \u092e\u0924\u094b\u0902 \u0915\u093e 60% \u092e\u093f\u0932\u093e, \u0924\u094b \u0935\u0939 440 \u092e\u0924\u094b\u0902 \u0938\u0947 \u091c\u0940\u0924\u093e\u0964 \u092f\u0926\u093f 300 \u0935\u094d\u092f\u0915\u094d\u0924\u093f\u092f\u094b\u0902 (\u092e\u0924\u0926\u093e\u0924\u093e\u0913\u0902) \u0928\u0947 \u0905\u092a\u0928\u093e \u0935\u094b\u091f \u0928\u0939\u0940\u0902 \u0921\u093e\u0932\u093e \u0925\u093e, \u0924\u094b \u0936\u0939\u0930 \u092e\u0947\u0902 \u092e\u0924\u0926\u093e\u0924\u093e\u0913\u0902 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u091c\u094d\u091e\u093e\u0924 \u0915\u0930\u0947\u0902? (\u0938\u092d\u0940 \u0935\u094b\u091f \u0935\u0948\u0927 \u0925\u0947)<\/p>\n\n\n\n<p>A) 2400<\/p>\n\n\n\n<p>B) 2800<\/p>\n\n\n\n<p>C) 2200<\/p>\n\n\n\n<p>D) 3000<\/p>\n\n\n\n<p>E) 2500<\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 2:<\/strong> \u090f\u0915 \u0935\u094d\u092f\u0915\u094d\u0924\u093f \u0928\u0947 Rs. 7080 \u0905\u092a\u0928\u0947 \u0924\u0940\u0928 \u092c\u091a\u094d\u091a\u094b\u0902 \u0915\u0947 \u092c\u0940\u091a \u0935\u093f\u0924\u0930\u093f\u0924 \u0915\u093f\u092f\u0947 \u091c\u093f\u0938\u0938\u0947 \u0915\u093f Ajatshatru \u0915\u094b Nirbhaya \u0938\u0947 20% \u0905\u0927\u093f\u0915 \u0914\u0930 Suryanshu \u0915\u094b Nirbhaya \u0938\u0947 25% \u0915\u092e \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u0941\u0906\u0964 Ajatshatru \u0915\u093e \u0939\u093f\u0938\u094d\u0938\u093e \u091c\u094d\u091e\u093e\u0924 \u0915\u0930\u0947\u0902 ?<\/p>\n\n\n\n<p>A) Rs. 1920<\/p>\n\n\n\n<p>B) Rs. 2150<\/p>\n\n\n\n<p>C) Rs. 2400<\/p>\n\n\n\n<p>D) Rs. 2880<\/p>\n\n\n\n<p>E) Rs. 3000<\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 3:<\/strong> 2017 \u092e\u0947\u0902 \u0936\u0939\u0930 X \u0915\u0940 \u092a\u0941\u0930\u0941\u0937 \u091c\u0928\u0938\u0901\u0916\u094d\u092f\u093e \u0914\u0930 \u092e\u0939\u093f\u0932\u093e \u091c\u0928\u0938\u0901\u0916\u094d\u092f\u093e \u0915\u093e \u0905\u0928\u0941\u092a\u093e\u0924 \u0915\u094d\u0930\u092e\u0936\u0903 8:5 \u0939\u0948|\u092a\u093f\u091b\u0932\u0947 \u0935\u0930\u094d\u0937 \u0915\u0940 \u0924\u0941\u0932\u0928\u093e \u092e\u0947\u0902 2018 \u092e\u0947\u0902 \u0936\u0939\u0930 X \u0915\u0940 \u092a\u0941\u0930\u0941\u0937 \u091c\u0928\u0938\u0901\u0916\u094d\u092f\u093e 25% \u0938\u0947 \u0915\u092e \u0939\u094b\u0924\u0940 \u0939\u0948 \u0914\u0930 \u092e\u0939\u093f\u0932\u093e \u091c\u0928\u0938\u0901\u0916\u094d\u092f\u093e 40% \u0938\u0947 \u092c\u0922\u093c\u0924\u0940 \u0939\u0948|2017 \u0915\u0940 \u0924\u0941\u0932\u0928\u093e \u092e\u0947\u0902 2018 \u092e\u0947\u0902 \u0936\u0939\u0930 X \u0915\u0940 \u091c\u0928\u0938\u0901\u0916\u094d\u092f\u093e \u092e\u0947\u0902 \u092a\u094d\u0930\u0924\u093f\u0936\u0924 \u0935\u0943\u0926\u094d\u0927\u093f\/\u0917\u093f\u0930\u093e\u0935\u091f \u091c\u094d\u091e\u093e\u0924 \u0915\u0930\u0947\u0902|<\/p>\n\n\n\n<p>A) No change<\/p>\n\n\n\n<p>B) 12.5%<\/p>\n\n\n\n<p>C) 33.33%<\/p>\n\n\n\n<p>D) 20%<\/p>\n\n\n\n<p>E) 8.33%<\/p>\n\n\n\n<p><a href=\"https:\/\/www.practicemock.com\/sbi-clerk\/?ref=9710\">SBI Clerk Prelims Free Mock Test<\/a><\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 4:<\/strong> \u090f\u0915 \u092a\u0930\u0940\u0915\u094d\u0937\u093e \u092e\u0947\u0902, Chetan \u0926\u094d\u0935\u093e\u0930\u093e \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0905\u0902\u0915 \u0909\u0924\u094d\u0924\u0940\u0930\u094d\u0923 \u0905\u0902\u0915\u094b\u0902 \u0938\u0947 18 \u0915\u092e \u0925\u0947 \u0914\u0930 Munna \u0926\u094d\u0935\u093e\u0930\u093e \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0905\u0902\u0915 \u0909\u0924\u094d\u0924\u0940\u0930\u094d\u0923 \u0905\u0902\u0915\u094b\u0902 \u0938\u0947 27 \u0905\u0927\u093f\u0915 \u0925\u0947\u0964 \u092f\u0926\u093f Chetan \u0914\u0930 Munna \u0915\u094b \u092a\u0930\u0940\u0915\u094d\u0937\u093e \u092e\u0947\u0902 \u0915\u094d\u0930\u092e\u0936\u0903 30% \u0914\u0930 45% \u0905\u0902\u0915 \u092e\u093f\u0932\u0947 \u0939\u0948\u0902, \u0924\u094b \u092a\u0930\u0940\u0915\u094d\u0937\u093e \u0915\u0947 \u0909\u0924\u094d\u0924\u0940\u0930\u094d\u0923 \u0905\u0902\u0915 \u0915\u093f\u0924\u0928\u0947 \u0925\u0947 ?<\/p>\n\n\n\n<p>A) 132<\/p>\n\n\n\n<p>B) 108<\/p>\n\n\n\n<p>C) 120<\/p>\n\n\n\n<p>D) 100<\/p>\n\n\n\n<p>E) 92<\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 5:<\/strong> \u090f\u0915 \u092a\u0930\u0940\u0915\u094d\u0937\u093e \u092e\u0947\u0902, 40% \u091b\u093e\u0924\u094d\u0930 Maths \u092e\u0947\u0902 \u092a\u093e\u0938 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u0914\u0930 60% Hindi \u092e\u0947\u0902 \u092a\u093e\u0938 \u0915\u0930\u0924\u0947 \u0939\u0948, \u091c\u092c\u0915\u093f 25% \u091b\u093e\u0924\u094d\u0930 \u0926\u094b\u0928\u094b\u0902 \u0935\u093f\u0937\u092f \u092e\u0947\u0902 \u092b\u0947\u0932 \u0939\u094b\u0924\u0947 \u0939\u0948|\u092f\u0926\u093f 150 \u091b\u093e\u0924\u094d\u0930 \u0926\u094b\u0928\u094b\u0902 \u0935\u093f\u0937\u092f \u092e\u0947\u0902 \u092a\u093e\u0938 \u0915\u0930\u0924\u0947 \u0939\u0948, \u0924\u094b \u092a\u0930\u0940\u0915\u094d\u0937\u093e \u092e\u0947\u0902 \u0909\u092a\u0938\u094d\u0925\u093f\u0924 \u091b\u093e\u0924\u094d\u0930\u094b\u0902 \u0915\u0940 \u0915\u0941\u0932 \u0938\u0902\u0916\u094d\u092f\u093e \u0915\u093f\u0924\u0928\u0940 \u0939\u0948?<\/p>\n\n\n\n<p>A) 450<\/p>\n\n\n\n<p>B) 500<\/p>\n\n\n\n<p>C) 600<\/p>\n\n\n\n<p>D) 640<\/p>\n\n\n\n<p>E) 750<\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 6:<\/strong> \u0924\u0940\u0928 \u0935\u094d\u092f\u0915\u094d\u0924\u093f\u092f\u094b\u0902 Hemant, Raghubar \u0914\u0930 Shibu \u0915\u0947 \u092c\u0940\u091a \u091a\u0941\u0928\u093e\u0935 \u0939\u0941\u0906\u0964 Shibu \u0926\u094d\u0935\u093e\u0930\u093e \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0935\u094b\u091f, \u0915\u0941\u0932 \u0935\u094b\u091f\u094b\u0902 \u0915\u093e 25% \u0939\u0948 \u0914\u0930 Hemant \u0915\u094b \u0915\u0941\u0932 \u0935\u0948\u0927 \u0935\u094b\u091f\u094b\u0902 \u0915\u093e 35% \u0935\u094b\u091f \u092e\u093f\u0932\u093e \u0939\u0948\u0964\u092f\u0926\u093f \u0915\u0941\u0932 \u0935\u094b\u091f\u094b\u0902 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e 2400 \u0925\u0940, \u091c\u093f\u0938\u092e\u0947\u0902 \u0938\u0947 10% \u0935\u094b\u091f \u0905\u0935\u0948\u0927 \u0918\u094b\u0937\u093f\u0924 \u0915\u093f\u090f \u0917\u090f, \u0924\u094b Raghubar \u0915\u0947 \u092a\u0915\u094d\u0937 \u092e\u0947\u0902 \u0921\u093e\u0932\u0947 \u0917\u090f \u0935\u0948\u0927 \u0935\u094b\u091f\u094b\u0902 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u091c\u094d\u091e\u093e\u0924 \u0915\u0930\u0947\u0902?<\/p>\n\n\n\n<p>A) 788<\/p>\n\n\n\n<p>B) 856<\/p>\n\n\n\n<p>C) 712<\/p>\n\n\n\n<p>D) 804<\/p>\n\n\n\n<p>E) 832<\/p>\n\n\n\n<p><a href=\"https:\/\/www.practicemock.com\/sbi-clerk\/?ref=9710\">SBI Clerk Prelims Free Mock Test<\/a><\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 7:<\/strong> \u0924\u0940\u0928 \u0938\u0926\u0938\u094d\u092f\u094b\u0902 A, B \u0914\u0930 C \u0928\u0947 \u091a\u0941\u0928\u093e\u0935 \u0932\u0921\u093c\u093e\u0964\u0921\u093e\u0932\u0947 \u0917\u090f \u092e\u0924\u094b\u0902 \u092e\u0947\u0902 \u0938\u0947 12% \u092e\u0924 \u0905\u0935\u0948\u0927 \u0939\u0948\u0902\u0964\u0935\u0948\u0927 \u092e\u0924\u094b\u0902 \u092e\u0947\u0902 \u0938\u0947, A \u0928\u0947 25% \u092e\u0924 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u093f\u090f \u0914\u0930 B \u0928\u0947 40% \u092e\u0924 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u093f\u090f \u0914\u0930 C \u0915\u0947 \u0938\u0902\u092c\u0902\u0927 \u092e\u0947\u0902 77 \u092e\u0924\u094b\u0902 \u0938\u0947 \u091c\u0940\u0924 \u0939\u093e\u0938\u093f\u0932 \u0915\u0940\u0964\u092e\u0924\u094b\u0902 \u0915\u0940 \u0915\u0941\u0932 \u0938\u0902\u0916\u094d\u092f\u093e (\u0905\u0935\u0948\u0927 + \u0935\u0948\u0927) \u091c\u094d\u091e\u093e\u0924 \u0915\u0930\u0947\u0902?<\/p>\n\n\n\n<p>A) 2000<\/p>\n\n\n\n<p>B) 1850<\/p>\n\n\n\n<p>C) 1750<\/p>\n\n\n\n<p>D) 1800<\/p>\n\n\n\n<p>E) \u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 8:<\/strong> \u2018B\u2019, \u2018A\u2019 \u0938\u0947 25% \u0905\u0927\u093f\u0915 \u0939\u0948\u0964 \u092f\u0926\u093f \u2018A\u2019 48 \u0905\u0927\u093f\u0915 \u0939\u094b\u0924\u093e \u0914\u0930 \u2018B\u2019 20 \u0915\u092e \u0939\u094b\u0924\u093e, \u0924\u094b A \u0914\u0930 B \u0915\u093e \u0905\u0928\u0941\u092a\u093e\u0924 4: 1 \u0939\u094b\u0924\u093e\u0964\u2018A\u2019 \u0914\u0930 \u2018B\u2019 \u0915\u093e \u092f\u094b\u0917 \u091c\u094d\u091e\u093e\u0924 \u0915\u0930\u0947\u0902?<\/p>\n\n\n\n<p>A) 54<\/p>\n\n\n\n<p>B) 68<\/p>\n\n\n\n<p>C) 72<\/p>\n\n\n\n<p>D) 86<\/p>\n\n\n\n<p>E) \u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/p>\n\n\n\n<p><a href=\"https:\/\/www.practicemock.com\/sbi-clerk\/?ref=9710\">SBI Clerk Prelims Free Mock Test<\/a><\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 9:<\/strong> \u090f\u0915 \u092a\u0941\u0938\u094d\u0924\u0915\u093e\u0932\u092f \u092e\u0947\u0902 60% \u092a\u0941\u0938\u094d\u0924\u0915\u0947\u0902 \u0905\u0902\u0917\u094d\u0930\u0947\u091c\u0940 \u092e\u0947\u0902 \u0939\u0948\u0902\u0964 \u0939\u093f\u0902\u0926\u0940 \u092e\u0947\u0902 \u092a\u0941\u0938\u094d\u0924\u0915\u094b\u0902 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u0905\u0902\u0917\u094d\u0930\u0947\u091c\u0940 \u092a\u0941\u0938\u094d\u0924\u0915\u094b\u0902 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u0915\u093e 25% \u0939\u0948\u0964 \u0909\u0930\u094d\u0926\u0942 \u0915\u0940 \u092a\u0941\u0938\u094d\u0924\u0915\u094b\u0902 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u0939\u093f\u0902\u0926\u0940 \u092a\u0941\u0938\u094d\u0924\u0915\u094b\u0902 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u0915\u093e 72% \u0939\u0948 \u0914\u0930 \u0936\u0947\u0937 \u092a\u0941\u0938\u094d\u0924\u0915\u0947\u0902 \u0938\u0902\u0938\u094d\u0915\u0943\u0924 \u092e\u0947\u0902 \u0939\u0948\u0902\u0964 \u092f\u0926\u093f \u092a\u0941\u0938\u094d\u0924\u0915\u093e\u0932\u092f \u092e\u0947\u0902 \u0938\u0902\u0938\u094d\u0915\u0943\u0924 \u092a\u0941\u0938\u094d\u0924\u0915\u094b\u0902 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e 355 \u0939\u0948, \u0924\u094b \u092a\u0941\u0938\u094d\u0924\u0915\u093e\u0932\u092f \u092e\u0947\u0902 \u0909\u0930\u094d\u0926\u0942 \u092a\u0941\u0938\u094d\u0924\u0915\u094b\u0902 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u091c\u094d\u091e\u093e\u0924 \u0915\u0930\u0947\u0902?<\/p>\n\n\n\n<p>A) 270<\/p>\n\n\n\n<p>B) 320<\/p>\n\n\n\n<p>C) 360<\/p>\n\n\n\n<p>D) 250<\/p>\n\n\n\n<p>E) \u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/p>\n\n\n\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 10:<\/strong> \u090f\u0915 \u092a\u0930\u0940\u0915\u094d\u0937\u093e \u092e\u0947\u0902 \u0926\u094b \u091b\u093e\u0924\u094d\u0930 \u0909\u092a\u0938\u094d\u0925\u093f\u0924 \u0939\u0941\u090f \u0914\u0930 \u090f\u0915 \u0928\u0947 \u0926\u0942\u0938\u0930\u0947 \u0938\u0947 15 \u0905\u0902\u0915 \u0905\u0927\u093f\u0915 \u0939\u093e\u0938\u093f\u0932 \u0915\u093f\u090f\u0964 \u092f\u0926\u093f \u0905\u0927\u093f\u0915 \u0905\u0902\u0915 \u092a\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u091b\u093e\u0924\u094d\u0930 \u0915\u0947 \u0905\u0902\u0915 \u0909\u0928 \u0926\u094b\u0928\u094b\u0902 \u0915\u0947 \u0905\u0902\u0915\u094b\u0902 \u0915\u0947 \u092f\u094b\u0917 \u0915\u093e 52% \u0939\u0948, \u0924\u094b \u0909\u0928\u0915\u0947 \u0926\u094d\u0935\u093e\u0930\u093e \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u093f\u090f \u0917\u090f \u0905\u0902\u0915 \u091c\u094d\u091e\u093e\u0924 \u0915\u0930\u0947\u0902?<\/p>\n\n\n\n<p>A) 175, 160<\/p>\n\n\n\n<p>B) 185, 170<\/p>\n\n\n\n<p>C) 195, 180<\/p>\n\n\n\n<p>D) 135, 120<\/p>\n\n\n\n<p>E) 205, 190<\/p>\n\n\n\n<p><a href=\"https:\/\/www.practicemock.com\/sbi-clerk\/?ref=9710\">SBI Clerk Prelims Free Mock Test<\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>ANSWER KEYS and SOLUTIONS:<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1) &#8211; E)<\/td><td>2) &#8211; D)<\/td><td>3) &#8211; A)<\/td><td>4) &#8211; B)<\/td><td>5) &#8211; C)<\/td><td>6) &#8211; D)<\/td><\/tr><tr><td>7) &#8211; C)<\/td><td>8) &#8211; C)<\/td><td>9) &#8211; A)<\/td><td>10) &#8211; C)<\/td><td>&nbsp;<\/td><td>&nbsp;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Solution 1: E)<\/strong><\/p>\n\n\n\n<p>Let, total votes cast be \u2018x\u2019<\/p>\n\n\n\n<p>So, 0.6x \u2013 0.4x = 440<\/p>\n\n\n\n<p>0.2x = 440<\/p>\n\n\n\n<p>x = 2200<\/p>\n\n\n\n<p>Total number of voters = 2200 + 300 = 2500&nbsp;&nbsp;<\/p>\n\n\n\n<p>Hence, option e.<\/p>\n\n\n\n<p><strong>Solution 2: D)<\/strong><\/p>\n\n\n\n<p>Let, amount received by Nirbhaya = Rs. x<\/p>\n\n\n\n<p>So, amount received by Ajatshatru = Rs. 1.2x<\/p>\n\n\n\n<p>So, amount received by Suryanshu = 0.75x<\/p>\n\n\n\n<p>According to question,<\/p>\n\n\n\n<p>x + 1.2x + 0.75x = 7080<\/p>\n\n\n\n<p>2.95x = 7080<\/p>\n\n\n\n<p>x = 7080\/2.95<\/p>\n\n\n\n<p>x = 2400<\/p>\n\n\n\n<p>So, amount received by Ajatshatru = Rs. 1.2 \u00d7 2400 = Rs. 2880<\/p>\n\n\n\n<p>Hence, option d.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.practicemock.com\/sbi-clerk\/?ref=9710\">SBI Clerk Prelims Free Mock Test<\/a><\/p>\n\n\n\n<p><strong>Solution 3: A)<\/strong><\/p>\n\n\n\n<p>Let the male population and female population of city X in 2017 be 8x and 5x, respectively.<\/p>\n\n\n\n<p>Population of city X in 2017 = 8x + 5x = 13x<\/p>\n\n\n\n<p>Male population of city X in 2018 = 0.75 \u00d7 8x = 6x<\/p>\n\n\n\n<p>Female population of city X in 2018 = 1.40 \u00d7 5x = 7x<\/p>\n\n\n\n<p>Population of city X in 2018 = 6x + 7x = 13x<\/p>\n\n\n\n<p>So, there is no change in population of city X in 2018.<\/p>\n\n\n\n<p>Hence, option a.<\/p>\n\n\n\n<p><strong>Solution 4: B)<\/strong><\/p>\n\n\n\n<p>Let total marks of the exam be \u2018x\u2019.<\/p>\n\n\n\n<p>Marks obtained by Chetan = 30% of x = 3x\/10<\/p>\n\n\n\n<p>Marks obtained by Munna = 45% of x = 9x\/20<\/p>\n\n\n\n<p>Marks difference between Chetan and Munna will be 27 + 18 = 45<\/p>\n\n\n\n<p>So, 9x\/20 \u2013 3x\/10 = 45<\/p>\n\n\n\n<p>(9x \u2013 6x)\/20 = 45<\/p>\n\n\n\n<p>3x\/20 = 45<\/p>\n\n\n\n<p>3x = 900, x = 300<\/p>\n\n\n\n<p>Required passing marks = 3x\/10 + 18 = 90 + 18 = 108<\/p>\n\n\n\n<p>Hence, option b.<\/p>\n\n\n\n<p><strong>Solution 5: C)<\/strong><\/p>\n\n\n\n<p>Let the total students be\u2018x\u2019.<\/p>\n\n\n\n<p>Students passed in Maths = x \u00d7 40% = 0.40x<\/p>\n\n\n\n<p>Students passed in Hindi = x \u00d7 60% = 0.60x<\/p>\n\n\n\n<p>Failed students = x \u00d7 25% = 0.25x<\/p>\n\n\n\n<p>Passed students = x \u00d7 75% = 0.75x<\/p>\n\n\n\n<p>The students who passed in both subjects = 0.4x + 0.6x \u2013 0.75x = 0.25x<\/p>\n\n\n\n<p>150 = 0.25x<\/p>\n\n\n\n<p>x = 600<\/p>\n\n\n\n<p>Hence, option c.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.practicemock.com\/sbi-clerk\/?ref=9710\">SBI Clerk Prelims Free Mock Test<\/a><\/p>\n\n\n\n<p><strong>Solution 6: D)<\/strong><\/p>\n\n\n\n<p>Total number of votes cast in favour of Shibu = 25% of 2400 = 600<\/p>\n\n\n\n<p>Total number of valid votes = 2400 \u2013 240 = 2160<\/p>\n\n\n\n<p>Total number of votes cast in favour of Hemant = 35% of 2160 = 756<\/p>\n\n\n\n<p>Total number of votes cast in favour of Raghubar = 2160 \u2013 (600 + 756) = 804<\/p>\n\n\n\n<p>Hence, option d.<\/p>\n\n\n\n<p><strong>Solution 7: C)<\/strong><\/p>\n\n\n\n<p>Let the total number of votes (valid + invalid) cast be \u2018x\u2019.<\/p>\n\n\n\n<p>So, number of valid votes = 0.88x<\/p>\n\n\n\n<p>Votes secured by A = 0.88x \u00d7 0.25 = 0.22x<\/p>\n\n\n\n<p>Votes secured by B = 0.4 \u00d7 0.88x = 0.352x<\/p>\n\n\n\n<p>Votes secured by C = 0.35 \u00d7 0.88x = 0.308x<\/p>\n\n\n\n<p>So, 0.352x \u2013 0.308x = 77<\/p>\n\n\n\n<p>0.044x = 77<\/p>\n\n\n\n<p>x = 1750<\/p>\n\n\n\n<p>So, total number of votes (invalid + valid) cast = 1750<\/p>\n\n\n\n<p>Hence, option c.<\/p>\n\n\n\n<p><strong>Solution 8: C)<\/strong><\/p>\n\n\n\n<p>Let \u2018A\u2019 = x<\/p>\n\n\n\n<p>Therefore, \u2018B\u2019 = 1.25x<\/p>\n\n\n\n<p>According to the question,<\/p>\n\n\n\n<p>(1.25x \u2013 20)\/(x + 48) = 1:4<\/p>\n\n\n\n<p>Or, 5x \u2013 80 = x + 48<\/p>\n\n\n\n<p>Or, x = 32<\/p>\n\n\n\n<p>Required sum = x + 1.25x = 2.25x = 72<\/p>\n\n\n\n<p>Hence, option c.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.practicemock.com\/sbi-clerk\/?ref=9710\">SBI Clerk Prelims Free Mock Test<\/a><\/p>\n\n\n\n<p><strong>Solution 9: A)<\/strong><\/p>\n\n\n\n<p>Let total number of books in the library be 100x<\/p>\n\n\n\n<p>Number of English books = 0.60 \u00d7 100x = 60x<\/p>\n\n\n\n<p>Number of Hindi books = 0.25 \u00d7 60x = 15x<\/p>\n\n\n\n<p>Number of Urdu books = 0.72 \u00d7 15x = 10.8x<\/p>\n\n\n\n<p>So, 100x \u2013 60x \u2013 15x \u2013 10.8x = 355<\/p>\n\n\n\n<p>Or, 14.2x = 355<\/p>\n\n\n\n<p>Or, x = 25<\/p>\n\n\n\n<p>Total number of Urdu books in the library = 10.8 \u00d7 25 = 270<\/p>\n\n\n\n<p>Hence, option a.<\/p>\n\n\n\n<p><strong>Solution 10: C)<\/strong><\/p>\n\n\n\n<p>Let total marks obtained by both of them is x and y respectively.<\/p>\n\n\n\n<p>x \u2013 y = 15<\/p>\n\n\n\n<p>And, x = 0.52 \u00d7 (x + y)<\/p>\n\n\n\n<p>x = 0.52 \u00d7 (15 + y + y)<\/p>\n\n\n\n<p>x = 0.52 \u00d7 (15 + 2y)<\/p>\n\n\n\n<p>x = 7.8 + 1.04y<\/p>\n\n\n\n<p>15 + y = 7.8 + 1.04y<\/p>\n\n\n\n<p>0.04y = 7.2<\/p>\n\n\n\n<p>y = 180<\/p>\n\n\n\n<p>x = 180 + 15 = 195<\/p>\n\n\n\n<p>Hence, option c.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.practicemock.com\/sbi-clerk\/?ref=9710\">SBI Clerk Prelims Free Mock Test<\/a><\/p>\n\n\n\n<p>Here we have to an end of this blog which makes every aspirant familiar with the Percentage Quant Concept, Tricks &amp; Calculation Shortcuts. Attempt SBI Clerk prelims free mock test to know your weak areas and prepare well for the upcoming exam. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Its time to learn and practice these Percentage Quant Concept, Tricks &#038; Calculation Shortcuts. Attempt free mock tests &#038; know your AIR<\/p>\n","protected":false},"author":2,"featured_media":68509,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[31],"tags":[],"class_list":["post-68502","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sbi-clerk"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Percentage Quant Concept, Tricks &amp; Calculation Shortcuts - Practicemock<\/title>\n<meta name=\"description\" content=\"Its time to learn and practice these Percentage Quant Concept, Tricks &amp; Calculation Shortcuts. Attempt free mock tests &amp; know your AIR\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.practicemock.com\/blog\/percentage-quant-concept-tricks-calculation-shortcuts\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Percentage Quant Concept, Tricks &amp; Calculation Shortcuts - Practicemock\" \/>\n<meta property=\"og:description\" content=\"Its time to learn and practice these Percentage Quant Concept, Tricks &amp; Calculation Shortcuts. 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