Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

You can hear me, but you can't touch or see me.

What am I?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Remove two matchsticks to make the below equation correct.

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

Which tank will fill first?

If you say my name, I will no longer exist. What am I?