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?

Solve the mathematical equation in the picture below.

In which direction should the missing arrow point?

No matter how little or how much you use me, you change me every month. What am I?

Find the number of squares in the below-given picture.

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

A father's child, a mother's child, yet no one's son.

Who am I?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?