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?

How can you leave a room with two legs and return with six legs?

What is the end of everything?

Using eight eights and addition only, can you make 1000?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

Who has married many women but was never married?

What goes through cities and fields, but never moves?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?