I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

There are two insects on a tile. Insect X is sitting on one side of the tile (point A) and Insect Y is sitting opposite on the other side of the tile (point B). Now both of them decide to change their position and thus X starts crawling to point B and Y starts crawling to point A. When they meet and pass each other in between, X takes 20 seconds to reach B and Y takes just 5 seconds to reach A.

Can you calculate the total time each of the insects took to change their positions?

Can you solve below mathematical equation?

2^1234 - 2^1233

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

Which is heavier: a ton of bricks or a ton of feathers?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

Why is Saturday stronger than Monday?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?