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Multiple choice

In how many ways can 2 men be selected out of 13 men?

  1. 78

  2. 30

  3. 40

  4. 15

  5. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Number of ways to select 2 men from 13 = 13C2 = 13!/(2! × 11!) = (13 × 12)/(2 × 1) = 78.

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