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

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

How is a fly different from a mosquito?

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?

What has a bottom at the top?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

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

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?