Prove that twice of ten is the same as twice of eleven.

In the picture given below, can you find out which digit will take place of the question mark?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

In a fruit store, there was a unique weighing machine that was made to weigh only cherries and strawberries as they were priced the same.

Other fruits like watermelons or mango had different machines as they were expensive.

A man successfully buys watermelons at the price of cherries. How?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

What is the coolest letter in the alphabet?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

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?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?