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.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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