A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Can you decipher the two rows to find the hidden word?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to a different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out on the third floor.

Can you find out who leaves the lift on which floor?

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?

If an electric train is travelling south, then which way is the smoke going?

I am an odd number. Take away a letter and I become even. What number am I?

I am quite hot but become too cold if you remove the first two letters. What am I?

When monkey rotate the gear, which mark will be hit 1 or 2 ?