Question

In a class of 30 pupils, 18 take Social Studies and 17 take Technical

Drawing, 3 take neither. How many take both Social Studies and
Technical Drawing?​

Answer 1

2

Explanation:

18 + 17 + 3 = 28

30 - 28 = 2

if 18 take Social Studies and 17 take Technical Drawing amd 3 take neither, we can assume the 2 left over are the pupils that take both

Answer 2

Answer: 5

Explanation:

18+17 = 35

35-30

5