Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Six married couple are sitting in a room. Number of ways in which 4 people can be selected so that there is exactly one married couple among the four is N then (N–225) is equal to
Text Solution
Verified by ExpertsThe correct answer is:
15
(15)
Sol. First we select one married couple out of 6 married couple i.e. 6 C 1 ways
total number of required case 6 C 1 × 5 C 1 × 4 C 1 × 2 = 6 × 5 × 4 × 2 = 240
N = 240
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