[" How many "4" digit numbers can be formed by using the digits "1,2,3,4,5,6,7" if atleast "],[" one digit 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.

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.

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.

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.

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.

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.

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

How many four digit numbers can be formed using digits 1,2,3,4,5 such that atleast one of the number is repeated?

How many 3 -digit even numbers can be made using the digits 1,2,3,4,5,6,7 if no digits is repeated?