Maths Permutations & Combination Definition of Permutation, Number of Permutations With or Without Repetition, Conditional Permutations Single Correct MCQ
Published on: August 11, 2026

The number of ways in which we can post 5 letters in 10 letter boxes is

A
50
B
5 10
C
10 5
D
None of these

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Text Solution

Verified by Experts
The correct answer is:
C

We can post the first letter in 10 ways, the second letter in 10 ways and so on. Thus, the number of ways of posting 5 letters in 10 letter boxes is 10 x 10 x 10 x 10 x 10 = 10 5

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