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?

The centre of the third figure is empty. What digit should fit inside?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Can you find out the remainder when 3^300 is divided by 5?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?