How many numbers greater than 56000 can be formed by using the digits 4, 5, 6,7, 8, no digit being repeated in any number ?

How many numbers greater than 1000000 can be formed by using the digits 1, 2,0, 2,4, 2,4?

How many numbers of four digits can be formed by using the digits 1, 3, 5, 7, 9, a digit being repeated any number of times in any number ?

How many numbers between 20,000 and 30,000 can be formed by using the digits 2, 3, 5,6,7, if each digit may be repeated any number of times in any number ?

How many numbers greater than one lac can be formed by using the digits 2, 3,0,5, 3, 2 taken all together ?

How many 5-digit numbers can be formed by using the digits 5, 4, 3, 3,0?

How many odd numbers greater than 80000 can be formed using the digits 2,3,4,5 and 8 if each digit is used only once in a number ?

How many numbers greater than 40000 can be formed using the digits 1,2,3,4 and 5 if each digit is used only once in each number ?

How many four-digit numbers can be formed by using the digits 1, 2, 3, 4, 5, 6, 7 if at least one digit is repeated.

The number of numbers less than 1000 than can be formed out of the digits 0,1,2,3,4 and 5, no digit being repeated, as

How many 3-digit numbers can be formed by using the digits 1 to 9 if no digit is repeated?