What is the prime factorization of $24$?

Important Questions on Playing with Numbers

MEDIUM

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 4

What is the HCF of $11$ and $77?$

MEDIUM

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 5

What is the LCM of $7$ and $6$?

MEDIUM

6th CBSE

IMPORTANT

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

What is $2$ more than $11$^th multiple of $9$?

MEDIUM

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 7

What is $2$ less than the product of $98$ and smallest prime number?

MEDIUM

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 8

What is the sum of prime numbers between $11$and $20$?

MEDIUM

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 9

What is the sum of smallest odd prime number and largest prime number smaller than $30$?

MEDIUM

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 10

What is the smallest perfect number?

MEDIUM

6th CBSE

IMPORTANT

Mental Maths 6>Chapter 3 - Playing with Numbers>Exercise 1>Q 11

What is the largest perfect number less than $30$?