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?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Which flower has two lips?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

Can you find the hidden animal in the picture below?

What has one eye, but can’t see?