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SBI Clerk 2018: How to Prepare for Numerical Ability?


Started preparing for SBI Clerk Prelims? Here’re preparation tips for the Numerical Ability section. These tips are brought to you by , an online exam preparation platform for banking, government and MBA exams.


SBI Clerk 2018 Prelims Exam Pattern  


Name of the Test No. of Questions Marks Duration
English Language 30 30 20 Minutes
Numerical Ability 35 35 20 Minutes
Reasoning Ability 35 35 20 Minutes
Total 100 100 1 Hour


SBI Clerk 2018, has introduced sectional time limits in the prelims paper. This will warrant a change in both your preparation strategy for your exam as well as you question selection & exam attempt strategy.


One can notice that the SBI Clerk prelims 2018 paper has essentially become 3 separate papers of 20 minutes each. Making the most of these 20 minutes and attempting the maximum possible number of questions with a good accuracy factor is important.


You would need to do thorough preparation to outshine in this exam, which means:

  • Clarity of concepts: develop a stronghold over your basics
  • Knowledge of your strengths and weaknesses: space out your mocks attempts evenly throughout the course of your preparation and devote a good amount of time analysing your attempts
  • Build your own question selection and attempt strategy

SBI Clerk 2018 Syllabus for Numerical Ability

  • Number Series
  • Simplification/ Approximation
  • Quadratic Equations
  • Data Interpretation
  • Problem on ages
  • Profit & Loss
  • Time & Work
  • Percentages & Partnership
  • Speed, Time & Distance
  • Mensuration
  • Boats & Streams
  • Probability
  • Averages & Mixtures
  • Simple & Compound Interest


SBI Clerk 2018 Preparation Strategy for Numerical Ability

  • In simplification, some of the most common topics (as per SBI Clerk 2016) are: surds and powers, ratios, percentages and BODMAS. The first step would be to clear your basics and then move on to the next stage practice questions.
  • Some common series types in number series are: Squares and cubes, geometric, two-staged and mixed number series. Thus, it is advisable to memorize all squares up to 25 and cubes up to 20. This will make it easier for you to identify series at the first glance and hence, will help you improve your speed. The key to mastering this topic is daily practice. Attempting 4-5 questions, daily without fail and from various sources will go a long way.
  • Data interpretation is one topic that can be calculation intensive. Some recurring question types are: tables, bar graphs, line graphs and pie charts. Make sure you practice at least question of each type. This will help you comprehend the data sets more quickly as you will be familiar and will help you increase your speed. Another important thing to do here would be to remember some fraction to decimal conversions. This will help you increase you speed of solving questions.


The Mantra for Successful Preparation Strategy:


Build Concepts –> Practice Daily –> Revise Weekly –> Give 1 mock test / week –> Spend time on analysis –> Strengthen your strengths and improve on your weakness  –> REPEAT

Hope this helps. All the best!




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