Tips to Crack Numerical Ability Section in RBI Office Attendant Exam 2021

By BYJU'S Exam Prep

Updated on: September 25th, 2023

Tips to Crack the Numerical Ability (Quant) Section for RBI Office Attendant Exam 2021: Many candidates face difficulties in solving the bank exam questions within the stipulated time. As candidates who are undergraduates are eligible for this post, they need to pay more attention to this section and questions’ complexity. Due to the increasing level of competition and difficulty level, candidates face more issues in the numerical ability (Quant) section. Keeping in mind the need of the aspirants we are sharing a proven approach to crack the Numerical ability in the RBI Office Attendant 2021 exam.

Candidates need to be very quick with calculations. They must be aware of the short tricks, and basic method of solving a particular question. A number of candidates will apply for a handful of vacancies, resulting in fierce competition. If you are also appearing for the RBI Office Attendant exam 2021, then you must work on every single aspect of the numerical ability syllabus to ace this exam.

Most of the candidates manage to solve the questions correctly but fail to manage the time. As there will be sectional timing in the RBI OA exam you need to manage your time, speed and accuracy accordingly. Check the tips and tricks to prepare the Numerical Ability section for the RBI Office Attendant 2021 exam.

Let us first check the numerical ability exam pattern in the RBI Office Attendant exam.

RBI Office Attendant Exam Pattern

Number of questions: 30

Maximum Marks: 30

Sectional Time: No

Composite timing of 90 Minutes

Read here the full RBI Office Attendant Syllabus and Exam Pattern

Numerical Ability Topics to be covered for RBI Office Attendant 2021 Exam

Check the important and must-do topics for RBI OA exam with the expected number of questions. Make a schedule and follow it daily to cover up all the syllabus with mock-based revision.

Data Interpretation (Tabular, Pie, Line, Caselet, and Bar graph)

5-10 Questions

Simplification/ Approximation

5-10 Questions

Number Series

5 Questions

Quantity Based Problems

0-5 Questions

Arithmetic Questions including

  • Age-based Problems
  • Averages, Ratios, Proportions
  • Profit, Loss and Discount
  • Partnerships
  • Simple & Compound Interest
  • Time, Work & Wages
  • Pipes & Cisterns
  • Mixture & Alligation
  • Boats & Streams
  • Mensuration
  • Probability
  • Time, Speed and Distance
 5-7 Questions

Tips & Tricks to Score Maximum Marks in Quant Section

Now, let us have a look at the important tips and tricks to help you score maximum marks in the quant section.

  • As there is no sectional timing you need to have a very clear time division for this section. This exam will be a test of speed, accuracy and time management. As the section is calculative and may involve complex calculations try to attempt 20+ questions in this section.
  • If you are unable to solve any particular question in 45-50 seconds, it would be better to skip it initially, as you have to solve the questions of other sections also. Rather than wasting your time on complex questions try to pick and solve doable questions.
  • As you are appearing for the RBI OA exam, you can not rely on a certain or specific topic/chapter. Check the previous year papers, cut off and other details. You will get a clear idea of how many questions you should attempt. 
  • Your calculation speed will play a crucial role in determining your numerical ability score in this exam. So, pay proper attention to improving your calculation speed. 

1. Tips to Prepare Simplification/Approximation

Questions from this topic are usually easy but sometimes calculative. Practice a lot of questions based on the BODMAS rule. Go through the concepts diligently. You can easily score full marks in this section if you are good at calculation. Learn cube roots, square roots and tables to solve the equations easily and in no time.

How to solve Simplification/ Approximation

2. Tips to Prepare Number Series

You must recognize or find the pattern of the series. It could be wrong or missing number series. Wrong number series are usually a bit difficult than missing number series. Practice questions on number series on a daily basis to learn more about the patterns, If you are able to find the pattern of the series in first 30-45 seconds process with the question else picks the next question.

Candidates must note that these questions are usually based on basic arithmetic operations or their combination.

Number series are less time-consuming and at the same time fetch you more marks, All you need to be attentive while solving questions on Missing or Wrong number series. Go through the link below to find more details on the Number series. 

How to solve Number Series

3. Tips to Prepare Data Interpretation

Data interpretation is the most important topic in the banking exam. There is various type of DI like a line graph, bar graph, pie chart, tabular, etc. A number of variations in the type of questions of these DI have been observed over the past few years. Rigorous practise and basic knowledge of the Miscellaneous topics can help you score good marks in this section. Good Calculation speed and time management skills can be very helpful in this part.

DI BasicsPie ChartTable Chart, Bar GraphLine GraphMixed GraphMissing D.I 

4. Miscellaneous Arithmetic Questions

We have shared the topics asked under this segment above. To score better in the miscellaneous sections, it is important that you have a clear understanding of the concepts and approach to solving these questions. Revise the formulas used in different topics properly and make sure that you attempt questions based on their application.

Concluding, we would just like to add that no matter how much you mug up the short tricks or formulas of different topics unless you practice questions based on them thoroughly, they will be of no use in e the am. So, Practice! Because that is the only way to excel in this section!

Quantitative Aptitude Quizzes: After clearing your basic concepts, you can practice quizzes of different topics from the given link given.

Quantitative Aptitude Quiz

Click here to check more study notes of the Numerical Ability section

S. No.



Simple Interest


Compound Interest


Mixture & Alligation






Pipes & Cisterns


Age-based problemsAge-Based Previous Year Questions


Profit, Loss & Discount


Ratio & Proportion


Time, Speed & Distance


Time & WorkTime & Work Previous Year Questions



This was all about the numerical ability section strategy to score maximum marks in this section. In case of any doubt, feel free to contact us below in the comment section.

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All the best for your exam!

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