# Numerical Reasoning -NATA 2021 (revised syllabus)

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:

- Addition and subtraction
- Multiplication and division
- Negative numbers
- Fractions
- 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) 2^{16}+1

b)2^{16}-1

c)7×2^{23}

d)2^{96}+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

**Percentages**

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%

ANSWER: C