The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

What happened when the wheel was invented?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

What makes this number unique: 8,549,176,320?

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