A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

Replace the question mark with the correct number.

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

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

Can you count the number of squares in the figure below?

What is at the end of a rainbow?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Who can jump higher than a Mountain?

What seven-letter word has hundreds of letters in it?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

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?