Approximations for RRB Clerk 2025, Check Important Questions with Answers

In the IBPS RRB Clerk Prelims, Approximation questions usually carry a weightage of 5 to 12 questions out of 40 in the Quantitative Aptitude section. That means you can score 10–12 marks quickly if you understand how to solve them smartly. It’s one of the easiest and most scoring parts of the exam.

This blog will explain what approximation questions are, why they are important, and how you can solve them easily with simple tricks.

What Are Approximation Questions?

In approximation questions, you are given a mathematical expression with percentages, divisions, or multiplications, but instead of solving it exactly, you have to find the approximate value.
You only need to round off the numbers and do quick calculations.

For example:
19.98% of 749.99 becomes 20% of 750, which is much easier to solve.

Importance and Weightage Of Approximation in RRB Clerk 2025

If you’re preparing for IBPS RRB Clerk 2025, then Approximation is a topic you must not skip in the Quantitative Aptitude section. These are easy, quick, and scoring questions that help you save time in the exam.

In most Prelims exams, around 5 to 12 questions are asked from Approximation alone. That means you can easily score up to 10-12 marks just from this one topic. That’s why it is considered one of the most important and high-weightage areas in Quant.

Most Expected Approximations for RRB Clerk 2025 Questions for RRB Clerk 2025

Here we are providing the most expected Approximations for RRB Clerk questions. Candidates can click the PDF link and attempt all the questions

Question 1: What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)

19.98% of 749.99 = ?+ 35.98% of 124.99

A) 1

B) 105

C) 295

D) 36

E) 409

Question 2: What approximate value will come in place of the question mark (?) in the following question?(Note: You are not expected to calculate the exact value.)

?– 35.98% of 2499.99 = 164.97% of 19.98 + 1499.98 ÷ 49.99

A) 1143

B) 742

C) 45

D) 963

E) 1214

Question 3: What approximate value will come in place of the question mark (?) in the following question?(Note: You are not expected to calculate the exact value.)

49.99% of 579.98 – 499.98% of 24.01 = ?% of 849.98

A) 20

B) 300

C) 1

D) 170

E) 65

Question 4: What approximate value will come in place of the question mark (?) in the following question?(Note: You are not expected to calculate the exact value.)

(249.98% of 359.98) ÷ 17.97 = ?²– 1749.98% of 19.99

A) 400

B) 1

C) 200

D) 128

E) 20

Question 5: What approximate value will come in place of the question mark (?) in the following question?(Note: You are not expected to calculate the exact value.)

54.98% of 799.98 =? × 22.98– (59.98% of 1499.98) ÷ 44.99

A) 100

B) 1

C) 20

D) 90

E) 45

Approximations for RRB Clerk Questions PDF

An example of Approximations with questions and answers in PDF format is provided below. Download now.

Study Resources to Level Up Your RRB Clerk 2025 Exam Preparation (Based On Latest Pattern)

To nail the IBPS RRB Clerk 2025 exam, candidates can boost their preparation with our study resources, such as mock tests, topic-wise tests, and mini mocks, to improve their accuracy and speed.

Tips to Solve Approximation Questions 

This topic carries 5-10 marks in the IBPS Clerk 2025, so you can’t skip this type of question. Here are some tips to help you easily solve approximations.

Round off smartly
Change 749.99 to 750, 19.98% to 20%, 124.99 to 125 — it saves time and helps you calculate faster.

Use basic percentage tricks
Know that:
10% of X = X/10
20% of X = 2 × (X/10)
50% of X = X/2
These tricks save you from lengthy calculations.

Ignore .98 or .99 in exams
If a number is like 499.98, treat it as 500. Don’t waste time dealing with .02 or .01 differences — they don’t change the answer much.

Don’t try to find the exact answer
Remember: You only need the closest match to the actual answer. Look at the options — choose the nearest one.
Practice regularly
The more you practice, the faster you’ll get at rounding, calculating, and spotting correct options without full calculations.

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