Question

Mr smith has 4 daughters. Each of his daughters has a brother. How many children does he have

Answer 1

He has 4 daughters and one son. Which makes each of his daughter have a brother. He has 5 children.

Answer 2

Answer:

Mr. Smith has 5 children in total including the daughters and son.

Solution:

Total daughters does Mr. Smith have is 4

Each daughter should have one brother means all daughters has only one brother in common.

Therefore, Total children Mr. Smith had= 4 Daughters + 1 brother = 5 children.

In these type of questions, we should not consider the maximum possibilities. One must take the minimum possible values for this type.