O P Malhotra, S K Gupta and, Anubhuti Gangal Solutions for Chapter: Average, Exercise 3: Mental Maths

Author:O P Malhotra, S K Gupta & Anubhuti Gangal

O P Malhotra Mathematics Solutions for Exercise - O P Malhotra, S K Gupta and, Anubhuti Gangal Solutions for Chapter: Average, Exercise 3: Mental Maths

Attempt the free practice questions on Chapter 26: Average, Exercise 3: Mental Maths with hints and solutions to strengthen your understanding. New Mathematics Today Class 7 solutions are prepared by Experienced Embibe Experts.

Questions from O P Malhotra, S K Gupta and, Anubhuti Gangal Solutions for Chapter: Average, Exercise 3: Mental Maths with Hints & Solutions

MEDIUM
7th ICSE
IMPORTANT
New Mathematics Today Class 7>Chapter 26 - Average>Mental Maths>Q 1

The average height of 8 girls in a class is 158 cm. If a new girl joins the group, the average heights becomes 157 cm. Find the height of this ninth girl. Write the answer in cm.

EASY
7th ICSE
IMPORTANT
New Mathematics Today Class 7>Chapter 26 - Average>Mental Maths>Q 2

The average of three numbers is 17. If two of them are 14 and 21. Find the third number.

MEDIUM
7th ICSE
IMPORTANT
New Mathematics Today Class 7>Chapter 26 - Average>Mental Maths>Q 3

Find the average of first ten odd natural numbers.

MEDIUM
7th ICSE
IMPORTANT
New Mathematics Today Class 7>Chapter 26 - Average>Mental Maths>Q 4

Find the average of the first five multiples of 2.