It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

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?

Which city is three-fifths chick two third cat and 50% goat?

I am the fastest animal but cannot climb the tree. What am I?

Different lights make me strange by changing me into different sizes. What am I?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

What has 13 hearts but no other organs?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

The Little ant seems to be always confused. Do you know why?