Find the number of 4 - digit telephone numbers that can be formed using the digits 1,2,3,4,5,6 with atleast one digit repeated.

The number of three digited telephone numbers than can be formed using the digits 1,2,3,4,5,6 with atleast one digit repeated is

Find the number of 4 digit numbers that can be formed using the digits 1,2,3,4,5.If no digits is repeated.

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.

Find the number of 4- digit numbers that can be formed using the digits 1,2,3,4,5 if no digit is repeated.How many of these will be even?

Find the number of 4 - digit numbers that can be formed by using the digits 1, 2, 3, 4, 5 if no digit is repeated. How many of these will be even ?

Find the number of 4 digit numbers that can be formed using the digits 1,2,3,4,5 if no digit is repeated.How many of these will be even?

Find the number of 4-digit numbers that can be formed using the digits 1,2,3,4,5 if no digit is repeated. How many of these will be even?

Find the number of 4-digit numbers that can be formed using the digits 1,2,3,4,5 if no digit is repeated. How many of these will be even ?

Find the number of 4-digit numbers that can be formed using the digits 1, 2, 3, 4, 5 if no digit is repeated. How many of these will be even?

Find the number of 4-digit numbers that can be formed using the digits 1, 2, 3, 4, 5 if no digit is repeated. How many of these will be even?