How many numbers between 100 and 1000 such that all digits of the numbers are only 3 or 9?

How many numbers between 100 and 1000 such that the digits in the unit place of the numbers is 9 only?

How many numbers between 100 and 1000 such that the numbers cannot have 6 in any position.

how many multiples of 7 lie between 100 and 1000

how many multiples of 8 lie between 100 and 500

How many numbers lie between squares of the following numbers? 99 and 100

How many numbers lie between squares of the following numbers? 12 and 13

How many numbers lie between squares of the following numbers? 25 an 26

How many numbers lying between 3000 and 6000 can be constructed by the digits 1,2,3,4,5,6 assuming that no digit is repeated in any number?

How many non square numbers lie between the following pairs of numbers. 90^2 and 91^2

How many non square numbers lie between the following pairs of numbers. 100^2 and 101^2