write all numbers from 1 to 10. Out of these numbers what fraction are the prime numbers.

What is the least prime number?

write two number whose HCF is 1

HCF of mutually prime numbers

LCM of mutually prime numbers

find two composite numbers which are mutually prime.

A three-digit number is selected at random from the set of all three-digit numbers. The probability that the number selected has all the three digits same is 1//9 b. 1//10 c. 1//50 d. 1//100

The nucleus of an atom can be assumed to be spherical. The radius of the nucleus of mass number-A is given by (1.25xx10^(-13)) cm. Radius of atom is one A. If the mass number is 64 then the fraction of the atomic volume that is occupied by the nucleus is

Let us write the numbers below as product of prime factors and write cube roots of the numbers: 1728

Let us write the numbers below as product of prime factors and write cube roots of the numbers: 15625

Let us write the numbers below as product of prime factors and write cube roots of the numbers: 5832