A postmaster wants to get delivered 6 letters at six different addresses In the post office there ar...........

Quantitative Aptitude (SBI-PO) Permutation & Combination

A postmaster wants to get delivered 6 letters at six different addresses. In the post office there are 2 postmen then in how many ways can the postmaster send the letters at different addresses through the postmen?

6! /2!

6! × 2!

None of these

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Explanation:

Each letter can be delivered at the six different addresses in 2 different ways Hence, the required number of ways = 2⁶= 64
Hence, option C is correct.