Question

In a group of 90 people, 41 like jogging, 30 like swimming and 8 like jogging and swimming both
then how many likes at least one of them and how many likes none of them ??​

Answer 1

Answer:

group of people = 90

people like jogging = 41 +8 =49

people like swimming = 30

90 - 49 - 30 = 11

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