alleryNumber of ways to choose 2 items out of 5:
A10
B20
C5
D25
Answer & Solution
Correct answer: A. 10
1. C(5,2) = 5!/(2!·3!) = 10.
2. = 10.
_Source: TSICET 2024 PYQ Q.125 (Shift 1, Combinations)_
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