Question

A survey shows that 63% of the Americans like cheese where as 76% like apples. If x% of the Americans like both cheese and apples, then : 

(a) x = 39 

(b) x = 63 

(c) 39 ≤ x ≤ 63 

(d) none of these

Answer 1

Correct option (c) 39 ≤ x ≤ 63

Explanation:

Let A denote the set of Americans who like cheese and let B denote those who like apples. Let the population of America is 100. Then,