The number of different seven-digit numb...

The number of different seven-digit numbers that can be written using only the three digits 1, 2, and 3 with the condition that the digit 2 occurs twice in each number is a. `2P_5 2^5` b. `7C_2 2^5` c. `7C_2 5^2` d. none of these

Similar Questions

Explore conceptually related problems

The number of 10 digit numbers that can be written by using the digits 2 and 3 is

The number of 10 digit number that can be written by using the digits 2 and 3 is

Find the three-digit odd numbers that can be formed by using the digits 1, 2, 3, 4, 5, 6 when the repetition is allowed.

Total number of four digit odd numbers that can be formed using 0, 1, 2, 3, 5, 7 are

Find the total number of nine-digit numbers that can be formed using the digits 2, 2, 3, 3, 5, 5, 8, 8, 8 so that the odd digit occupy the even places.

Find the number of n digit numbers, which contain the digits 2 and 7, but not the digits 0, 1, 8, 9.

Find the sum of all 4-digit numbers that can be formed using digits 0, 2, 5, 7, 8 without repetition?

The number of different seven-digit numbers that can be written using only the three digits 1, 2, and 3 with the condition that the digit 2 occurs twice in each number is a. `2P_5 2^5` b. `7C_2 2^5` c. `7C_2 5^2` d. none of these

Similar Questions

Recommended Questions