Find the number of 4-digit numbers that ...

Find the number of 4-digit numbers that can be formed using the digits 1, 2, 4, 5, 6, 8 if (a) digits can be repeated (b) digits cannot be repeated

Verified by Experts

The correct Answer is:

a) 1296, b)360

Similar Questions

Explore conceptually related problems

How many three-digit numbers can be formed using the digits 2, 3, 4, 5, 6 if digits can be repeated?

The number of 7 digit numbers which can be formed using the digits 1, 2, 3, 2, 3, 3, 4 is

How many 3-digit numbers can be formed from the digit 2, 4, 5, 6, 7 if no digit is repeated?

How many distinct 5-digit numbers can be formed, using the digits 3, 4, 3, 4, 2?

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?

How many distinct 5 digit numbers can be formed using the digits 3, 2, 3, 2, 4, 5.

The number of 3 digit odd numbers, that can be formed by using the digits 1, 2, 3, 4, 5, 6 when the repetition is allowed, is