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?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?

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

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Can you fill the blank with the correct number?

6 30 870 756030 _____

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?