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    Question

    Among the 720 employees in the office, 30% engage

    exclusively in playing cricket, and 40% participate in both cricket and chess. If 20% of the employees don't play any games, determine the number of employees who play only chess.
    A 77 Correct Answer Incorrect Answer
    B 65 Correct Answer Incorrect Answer
    C 72 Correct Answer Incorrect Answer
    D 85 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ,   Number of employees who play cricket only = 720 × 0.3 = 216   Number of employees who play cricket and chess both = 720 × 0.4 = 288   Number of employees who don’t play any game = 720 × 0.2 = 144   Number of employees who play chess only = 720 – 216 – 288 – 144 = 72

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