Question discussion

In a group of 60 people, 35 like tea, 30 like coffee and 10 like neither. How many like both tea and coffee?

811Medium DSSSB TGT Computer Science 0 replies

In a group of 60 people, 35 like tea, 30 like coffee and 10 like neither. How many like both tea and coffee?

  • A10
  • B20
  • C15
  • D25
Correct answer: C

Explanation

People liking at least one = 60 − 10 = 50, so both = 35 + 30 − 50 = 15.

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