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?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

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

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

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

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?