Find the sum of all the numbers that can be formed with the digits 2, 3, 4, 5 taken all at a time.

Answers (1)

The total number can be formed by 2,3,4,5 = 4x3x2x1 = 24

There are 4 digit in the number, so at every digit each number(2,3,4,5) will repeated 6 times.

Sum at every each digit = 6x(2+3+4+5) = 84

Sum of the numbers = 1111x84 = 93324

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