Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

What number do you get when you multiply all of the numbers on a telephone's number pad?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

I am quite hot but become too cold if you remove the first two letters. What am I?