Question

In a group of 62 people 27 like cold tea while 42 like hot tea how many people like neither of the two

Answer 1

Answer:7

Explanation:

let P(a)=27, like cold tea,

P(b)=42, like hot tea,

P(a∪b)=62,

using formula,

P(a∩b)=P(a)+P(b)-P(a∪b)

=27+42-62

=7