Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

What brings you down but never up?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

How can you make a TV, a bed, a dog, and a car liquid?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?