I know a nine-letter word having only one vowel.
Do you ?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

What type of tree can I carry in my hand?

Give it food and it will live; give it water and it will die.

What jumps when it walks and sits when it stands?

Can you find out which options fits best with the missing column?

How many times do a clock's hands overlap in a day ?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

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