How many numbers each ying between 1000 and 10000 can be formed wilth the digits 0,1,2,3,4,5, no digit being repeated?

How many numbers each lying between 100 and 1000 can be formed with the digits 2,3,4,0,8,9, no digit being repeated?

Find the number of numbers lying between 300 and 4000 that can be fomed with the digits 0,1,2,3,4,5, no digit being repeated?

How many numbers between 100 and 1000 can be formed with digits 1,2,3,4,5,6,7, no digit being repeated?

How many numbers between 400 and 1000 can be formed with the digits 0,2,3,4,5,6 I no digit is repeated in the same number?

How many numbers lying between 100 and 1000 can be formed with the digits 1,2,3,4,5 if the repetition of digits is not allowed?