March 19, 2021 By 0 Comments

Numerical reasoning is a common aptitude question technique as it tests the candidate’s ability on common mathematic problems in daily life.NATA 2021 revised syllabus consists of numerical reasoning.

What is Numerical reasoning?

Numerical reasoning is a psychometric test to assess a candidate’s ability to interpret, analyze and make conclusions from the given sets of data.

Unlike normal math multiple choice questions, numerical reasoning helps apply mathematic in a realistic context.

Topics under numerical reasoning

There are unlimited sets of topics that fall under numerical reasoning. Most of the topic are from

  • General Arithmetic
  • Numerical computation
  • Percentage
  • Averages
  • Number series

Data interpretation

  • Charts
  • Graphs
  • Tables
  • conversion


General Arithmetic

The basic branch of mathematics that deals with the study of numbers lay the foundation of mathematics. The general arithmetic includes the following:

  1. Addition and subtraction
  2. Multiplication and division
  3. Negative numbers
  4. Fractions
  5. Decimals


Sample questions

1..What least number must be added to 1056 so that the sum is completely divisible by 23?

a)2     b)3     c)18    d)21

Answer: a)

2.It is being given that (+ 1) is completely divisible by a whole number. Which of the following numbers is completely divisible by this number?

a) 216+1




Answer: d)

Numerical computation

Numerical computation questions involve mathematical and basic principles of arithmetic terms and methods to compute complex questions using a combination of these

  • Addition
  • Subtraction
  • Multiplication
  • Division
  • Percentages
  • Ratios
  • Fractions
  • Decimals

Number series

Series of number that follows a pattern.

1) Find the missing number in the series?

4, 18,?, 100, 180, 294, 448

a)48  b)50  c)58  d)60

Answer: a.

2)Find the missing number in the following series?

3, 5, 5, 19, 7, 41, 9, ?

a)71  b)61  c)79  d)69

Answer: a.

Data interpretation


What was the average total percentage decrease in the number of homes sold by Bradfield Homes and Thompson Homes from May to June?

  • A) 18.18%
  • B) 13.26%
  • C) 13.04%
  • D) 8.33%