How many different numbers each of six digits can be formed by using the digits 1,2,1,2,0,2?

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

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

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 7-digit numbers can be formed, using the digits 1, 2, 0, 2, 4,2 and 4?

How many 5-digit even numbers can be formed using the digits 1,2,5,4,5 ?

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.

Smallest 5 digit number formed using the digits 0,4, 1, 9 is:

How many three-digit numbers can be formed without using the digits 0, 2, 3, 4, 5 and 6?

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 ?