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UPSC CSAT • TOPIC PRACTICE
Counting / Combinatorics
Practice all 3 questionsclassified under Counting / Combinatorics.
PASSAGE
A tennis coach is trying to put together a team of four players for the forthcoming tournament. For this 7 players are available: males A, B and C; and females W, X, Y and Z. All players have equal capability and at least 2 males will be there in the team. For a team of four, all players must be able to play with each other. But, B cannot play with W, C cannot play with Z and W cannot play with Y.
If Y is selected and B is rejected, the team will consist of which one of the following groups?
UPSC CSAT marking
Correct answer: +2.5 marks. Incorrect answer: −1/3 of 2.5 marks (−0.8333 marks). Skipped questions receive 0 marks.