Question

14. Set A contains all integers from 50 to 100, inclusive, and Set B contains all integers from 69 to 138, exclusive. How many integers are included in both Set A and Set B?

E. 29
F. 30
G. 31
H. 32​

Answer 1

30

Explanation:

We have to make the intersection between these sets, and we see that they intersect in the range: [70,100], and d(70,100) = 30, that is the answer.