Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1

Subject Experts Solutions for Chapter: Playing with Numbers, Exercise 1: Exercise 1

Author:Subject Experts

Subject Experts Mathematics Solutions for Exercise - Subject Experts Solutions for Chapter: Playing with Numbers, Exercise 1: Exercise 1

Attempt the practice questions on Chapter 3: Playing with Numbers, Exercise 1: Exercise 1 with hints and solutions to strengthen your understanding. Mental Maths 6 solutions are prepared by Experienced Embibe Experts.

Questions from Subject Experts Solutions for Chapter: Playing with Numbers, Exercise 1: Exercise 1 with Hints & Solutions

MEDIUM

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 31

Which of the following are prime numbers?

$13, 48, 19, 69, 22, 1$

MEDIUM

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 33

Which of the following are composite numbers?

$25, 17, 39, 44, 51, 23$

MEDIUM

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 34

How many prime numbers are there below $20$ ?

MEDIUM

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 36

Which of the following numbers are divisible by $8$ ?
$562, 95072, 12159, 728$

HARD

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 37

Which of the following numbers are divisible by $11$ ?
$5445, 2364, 90115$

HARD

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 38

The product of two numbers is $640$ . Their HCF is $8$ . What is their LCM?

MEDIUM

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 39

Express $52$ as the sum of two odd primes

MEDIUM

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 40

A number is divisible by both $5$ and $12$ . By which other numbers will that number be always divisible.