In how many ways can natural numbers lying between 10 and 100 be formed with the digits 0,3,4,5,8?

In how many ways can the natural numbers lying between 10 and 1000 be formed with the digits 0,3,5,7,9?

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?

Find the sum of all numbers lying between 1 and 100 which are divisible by 4 or 5.

How many natural numbres lie between 9^2 and 10^2 Between 11^2 and 12^2 ?

How many even numbers greater than 300 can be formed with the digits, 1, 2, 3, 4, 5 which cannot be repeated?

how many multiples of 8 lie between 100 and 500

How many muliples of 4 lie between 10 and 250?

Determine the sum of the numbers lying between 100 and 200 which are not divisible by 3.

In how many ways can one post 3 letters in 5 post boxes?

How many numbers greater than 1000 but not greater than 4000 can be formed using the digits 0, 1,2, 3, 4, repetitions of digits being allowed?