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JEE Main · 2021 · 17 Mar 2021 · Shift 1 · Permutations and Combinations

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Team 'A' consists of boys and girls and Team 'B' has boys and girls. If a total of single matches can be arranged between these two teams when a boy plays against a boy and a girl plays against a girl, then is equal to:
  1. (A)
  2. (B)
  3. (C)
  4. (D)✓ Correct

Answer: (D)

Solution

Number of boy-vs-boy matches = .

Number of girl-vs-girl matches = .

Total matches:

JEE Main · 2021 · 17 Mar 2021 · Shift 1 · Single correct option

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