HARD
6th CBSE
IMPORTANT
Earn 100

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

Important Questions on Playing with Numbers

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.
EASY
6th CBSE
IMPORTANT
Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 2>Q 1
What is the smallest prime number?
MEDIUM
6th CBSE
IMPORTANT
Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 2>Q 2
What is the smallest odd prime number?
MEDIUM
6th CBSE
IMPORTANT
Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 2>Q 3
What is the largest prime number less than 30?
MEDIUM
6th CBSE
IMPORTANT
Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 2>Q 4
What is the sum of 5 and 2 less than 100?
MEDIUM
6th CBSE
IMPORTANT
Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 2>Q 5
What is the product of smallest prime number and 3 less than 100?
MEDIUM
6th CBSE
IMPORTANT
Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 2>Q 6
What is the sum of prime numbers between 15 and 20?