Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

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

You have a thousand Re. 1 coins with you. You have ten bags with you and you can put any number of coins in each of the bags. The condition is that if someone asks you for any amount between 1 and 1000, you must be able to give that amount by just giving the bag (you are not allowed to open the bag and give coins).

How will you do it?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

By what process could you make a 'Tea-Table' into food?

What can you see in the middle of March and April that you can never see in any other month?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

I taste better than I can smell. Who am I?