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?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

John was piloting a plane behind a car but was never able to overtake it. Why?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.