A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

There was a strange boy who was born before his father. How can this be possible?

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Which flower has two lips?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

What always comes into a house through the keyhole?

Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

What is harder to catch the faster you run?