10+10 and 11+11 can give you the same answer.

Explain how?

What goes up but never comes down?

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?

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

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

I am sure no one can have two things for dinner. what are they?

Count the Triangle in the figure given below:

What does this mean?

CCCCCCC

What word is pronounced the same if you take away four of its five letters?