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

What goes up but never comes down?

I have teeth but i don't bite. Who Am I ?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

What can go up a chimney down, but can’t go down a chimney up?

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?

Can you count the number of lines in the below picture?

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