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JEE MATHEMATICS MCQ: PERMUTATIONS

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Application +4 | -1

8 players

\mathrm{S}_1, \mathrm{~S}_2, \ldots . . . \mathrm{S}_8

, play in tournament. Number of ways in which they can be grouped into 4 pairs so that

S_1

and

S_2

are in different group is

View answer and explanation

Correct option: B

90

Option B (90) is correct because it represents the number of ways to group the players into pairs such that S1 and S2 are in different groups.

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