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

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Replace the question mark in the picture below.

How can you tell a raw egg from a hard-boiled egg?

Can you find out the total number of triangles in the given figure?

Out of the nine cats that you can see in the picture, there are only two that are completely identical. Can you find them out?

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?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?