" 3.How many numbers of two digits are divisible by "7

How many number of two digits are divisible by 7 ?

How many numbers of two digit are divisible by 5?

How many numbers of two digit are divisible by 3?

How many numbers of two digit are divisible by 3?

How many numbers of two digit are divisible by 3?

How many numbers of two digits are divisible by 6 ?

(a) How many numbers of two digits are divisible by 3 ? (b) How many numbers of three digits are divisible by 9 ?

(i) How many number of two digits are divisible by 3 ? (ii) How many numbers of three digits are divisible by 9?

If repetition of digits is not allowed, how many numbers of four digits divisible by 5 can be formed with the digits 0,4,5,6,7?