{"id":198634,"date":"2026-05-06T20:40:00","date_gmt":"2026-05-06T15:10:00","guid":{"rendered":"https:\/\/www.practicemock.com\/blog\/?p=198634"},"modified":"2026-05-06T09:20:34","modified_gmt":"2026-05-06T03:50:34","slug":"download-50-si-ci-word-problems-for-rbi-assistant-mains-2026-free-pdf-inside","status":"publish","type":"post","link":"https:\/\/www.practicemock.com\/blog\/download-50-si-ci-word-problems-for-rbi-assistant-mains-2026-free-pdf-inside\/","title":{"rendered":"Download 50 SI & CI Word Problems for RBI Assistant Mains 2026 [Free PDF Inside]"},"content":{"rendered":"
Home<\/a><\/span> \u00bb Uncategorized<\/a><\/span> \u00bb SI & CI Questions PDF<\/span><\/span><\/div>\n\n\n

In the RBI Assistant Mains exam, where every second and every mark matters, Simple and Compound Interest (SI & CI)<\/strong> stand out as one of the most reliable scoring areas in Quantitative Aptitude. Unlike lengthy DI sets or tricky puzzles, SI & CI questions are formula-based, predictable, and quick to solve<\/strong>, making them a perfect opportunity to secure easy marks with high accuracy.<\/p>\n\n\n\n

Mastering SI & CI means you can comfortably secure 2\u20133 direct marks in under a minute per question, without complex calculations or logical traps. In a high-pressure exam like RBI Assistant Mains 2026, this kind of accuracy and speed creates a massive advantage over competitors who spend too long on tougher arithmetic sets.<\/p>\n\n\n\n

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With the exam scheduled for June 7, 2026, your final selection depends entirely on your performance in this single written test. The Quant section typically includes 12\u201316 arithmetic questions, and among them, SI & CI consistently appear every year as a reliable 2\u20133 mark segment.<\/p>\n\n\n\n

In short, SI & CI may give you the concept advantage, but mock practice converts that advantage into actual marks in the exam hall. <\/p>\n\n\n\n

Download Free PDF \u2014 50 SI & CI Questions for RBI Assistant Mains 2026<\/h3>\n\n\n\n

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Click Here to Download 50 SI & CI Questions for Practice<\/strong><\/a><\/div>\n<\/div>\n\n\n\n

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What Exactly Is Simple Interest \u2014 In Plain Terms<\/strong><\/h2>\n\n\n\n

You lend someone money. They agree to pay you back with a little extra \u2014 that extra is the interest. Simple Interest works on one principle: the interest is always calculated on the original amount you lent, not on any accumulated interest.<\/strong> Every year, the interest is the same fixed amount. It never grows on itself.<\/p>\n\n\n\n

The Formula:<\/strong><\/p>\n\n\n\n

SI = (P \u00d7 R \u00d7 T) \/ 100<\/strong> Amount (A) = P + SI<\/strong><\/p>\n\n\n\n

Where P = Principal (original sum), R = Rate of interest per annum (%), T = Time in years.<\/p>\n\n\n\n

Quick Example 1:<\/strong> Arun invests \u20b98,000 at 9% per annum simple interest for 4 years. SI = (8000 \u00d7 9 \u00d7 4) \/ 100 = \u20b92,880 Amount = \u20b98,000 + \u20b92,880 = \u20b910,880<\/strong><\/p>\n\n\n\n

Quick Example 2:<\/strong> A bank offers SI at 12% per annum. Priya earned \u20b93,600 as interest in 3 years. What did she invest? 3600 = (P \u00d7 12 \u00d7 3) \/ 100 \u2192 P = 360000 \/ 36 = \u20b910,000<\/strong><\/p>\n\n\n\n

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What Exactly Is Compound Interest \u2014 In Plain Terms<\/strong><\/h2>\n\n\n\n

Compound Interest works differently. After each compounding period, the interest earned gets added to the principal \u2014 and the next period’s interest is calculated on this new, larger amount. In other words, your interest earns interest too.<\/strong> This is why CI always gives a larger return than SI (at the same rate and time), and why almost all banks and financial institutions use compound interest for loans and deposits.<\/p>\n\n\n\n

The Formula:<\/strong><\/p>\n\n\n\n

A = P \u00d7 (1 + R\/100)\u207f<\/strong> CI = A \u2212 P<\/strong><\/p>\n\n\n\n

Where n = number of compounding periods (years for annual compounding).<\/p>\n\n\n\n

Key Shortcut \u2014 Difference between CI and SI for 2 years:<\/strong><\/p>\n\n\n\n

Difference = P \u00d7 (R\/100)\u00b2<\/strong><\/p>\n\n\n\n

This shortcut alone can save you 45 seconds on a common exam question type.<\/p>\n\n\n\n

Quick Example 1:<\/strong> Ramesh deposits \u20b915,000 at 10% per annum CI, compounded annually, for 2 years. A = 15,000 \u00d7 (1.10)\u00b2 = 15,000 \u00d7 1.21 = \u20b918,150<\/strong> CI = 18,150 \u2212 15,000 = \u20b93,150<\/strong><\/p>\n\n\n\n

Quick Example 2:<\/strong> What is the CI \u2212 SI difference on \u20b912,000 at 8% for 2 years? Difference = 12,000 \u00d7 (8\/100)\u00b2 = 12,000 \u00d7 0.0064 = \u20b976.80<\/strong> (No need to calculate CI and SI separately \u2014 this formula gives the answer directly.)<\/p>\n\n\n\n

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The SI & CI Topic Breakdown in RBI Assistant Mains 2026<\/strong><\/h2>\n\n\n\n

Before jumping into questions, it helps to know what types of word problems actually appear. Based on previous year exam analysis and the 2026 pattern, SI & CI questions in RBI Assistant Mains fall into these categories:<\/p>\n\n\n\n

Question Type<\/strong><\/td>Frequency in Mains<\/strong><\/td>Difficulty<\/strong><\/td><\/tr>
Finding SI or CI Amount<\/td>Common<\/td>Easy<\/td><\/tr>
Finding Principal (reverse calculation)<\/td>Common<\/td>Easy\u2013Moderate<\/td><\/tr>
Finding Rate of Interest<\/td>Common<\/td>Moderate<\/td><\/tr>
Finding Time Period<\/td>Occasional<\/td>Moderate<\/td><\/tr>
Difference between CI and SI<\/td>Very Common<\/td>Moderate<\/td><\/tr>
Half-yearly \/ Quarterly Compounding<\/td>Occasional<\/td>Moderate\u2013High<\/td><\/tr>
Installment-based Problems<\/td>Rare (Mains)<\/td>High<\/td><\/tr>
Population Growth \/ Depreciation (CI-based)<\/td>Occasional<\/td>Moderate<\/td><\/tr>
Mixed SI & CI (two-part word problems)<\/td>Occasional<\/td>High<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

The first five types account for the vast majority of what actually appears in the exam. Master those, and you have the topic effectively covered.<\/p>\n\n\n\n

Why Mock Practice is Crucial for SI & CI:<\/strong><\/h3>\n\n\n\n