John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

What building has the most stories?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Why are televisions attracted to people?

How many triangles can you find in this given picture?