Question discussion

In a group of 70 students, 40 play hockey, 35 play chess and 15 play neither game. How many students play both games?

1219Medium DSSSB TGT Computer Science 0 replies 1 views

Correct answer: B

Explanation

70 − 15 = 55 play at least one game, so both = 40 + 35 − 55 = 20.

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