A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

When can we add 2 to 11 and get 1 as the correct answer?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Count the number of triangles in the picture below:

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

Identify the hidden meaning behind this picture?

A farmer and his neighbour once went to Emperor Akbar"s court with a complaint. "Your Majesty, I bought a well from him," said the farmer pointing to his neighbour, "and now he wants me to pay for the water."
"That"s right, your Majesty," said the neighbour. "I sold him the well but not the water!"?
The Emperor asked Birbal to settle the dispute. How did Birbal solve the dispute?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Count the number of lines in the image below ?