Approximation For IBPS RRB 2023 – 70+ Important Approximation Questions

By BYJU'S Exam Prep

Updated on: September 25th, 2023

Approximations are the standard questions always asked in IBPS RRB exams. Around 10 questions of approximation are asked in IBPS RRB Office Assistant and Officer Scale 1 exam. Thus, to help you prepare for the Approximation for the IBPS RRB exam, we have come up with the most important questions for the examination.

Our experts have shared 70+ high-quality practice questions for approximation in both Hindi and English, along with their answers. You can download the study material and print the free PDFs to practice approximation questions. The IBPS RRB 2023 exam will be conducted soon. So continue to practice and learn from your failures.

What is Approximation?

The approximation is basic math calculations and certain other algebraic subjects. Approximation takes less time and produces better results. Using the basic BODMAS concepts, approximation involves converting or discovering missing values from large and complex expressions. In these types of questions, you just have to use basic calculation tricks to get the final result.

Importance of Approximation for IBPS RRB Exam 2023

The approximation can be easily a make or break for any student aspiring to become an IBPS RRB PO or Clerk in 2023.

  • You will get around 10-15 questions from this section.
  • You can easily solve all the questions in minimal time with 100% accuracy.
  • You can easily manage to achieve a good score in the quantitative aptitude section.

Important Approximation Questions For IBPS RRB

20. Direction: What value should come in place of the question mark (?) in the following equation?
283 × 56 + 252 = 20 × ?
A. 805 B. 803 C. 807 D. 809 E. None of these

21. Direction: What should come in place of the question mark (?) in the following question?
1234 + 2345 – 3456 + 4567 = ?
A. 4590 B. 4680 C. 4670 D. 4690 E. None of these

22. Direction: What should come in place of the question mark (?) in the following question?
115 ÷ 5 + 12 × 6 = ? + 64 ÷ 4 – 35
A. 95 B. 136 C. 102 D. 74 E. 114

23. Direction: What should come in place of the question mark (?) in the following question?
45% of 400+ √? = 56% of 750 – 40% of 350
A. 10000 B. 1000 C. 10201 D. 9801 E. 10404

Download Approximation Question PDFs for IBPS RRB 2023

Kindly click the links provided below to download 70+ most important questions of Approximation for the IBPS RRB exam 2023.

So, without further ado, go ahead and grab these PDFs to help you prepare for the IBPS RRB 2023 Exam. Remember to compare your answers to the provided solution pdf to determine your strengths and shortcomings.

IBPS RRB Study Notes For Quantitative Aptitutde

Here you will find study notes of all the chapters of the quantitative aptitude section for IBPS RRB 2022 preparation. Kindly have a look at them.




Simplification & Approximation


D.I Basics, Pie Chart, Table Chart, Bar Graph, Line Graph, Mixed Graph, Missing D.I


Number Series


Quadratic Equations


Simple Interest


Compound Interest


Mixture & Alligation






Pipes & Cisterns


Age-based problems


Profit, Loss & Discount


Ratio & Proportion


Time, Speed & Distance


Time & Work



PO, Clerk, SO, Insurance

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