Puzzle quiz 29

What is in it

1. Question 1

   A man has 3 sons and 2 daughters. How many children does he have?

   • A.5
   • B.2
   • C.6
   • D.3

2. Question 2

   There are 5 houses. A man has 5 keys. Only one key opens each door. What is the minimum number of trials needed?

   • A.5
   • B.4
   • C.10
   • D.20

3. Question 3

   A father and son are in a car accident. The father dies. The son is taken to hospital. A surgeon says 'I cannot operate on this boy, he is my son.' How is this possible?

   • A.The surgeon is his brother
   • B.The surgeon is the boy's mother
   • C.The surgeon is his uncle
   • D.The surgeon is his cousin

And 7 more questions. Play the quiz to answer them all against the clock.