You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

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

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Which wheel of car does not rotate when you turn your car right?