Can you identify the famous TV character from the rebus below?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

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

( ) + ( ) + ( ) = 30

What is the fastest way to double your money?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

Which is faster, Heat or Cold ? Explain.

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

What has 88 keys?