I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Trying to tease Birbal, Akbar gave him one gold coin and ask him to buy
* something for him to eat
* something for him to drink.
* something to feed the cows
* something to plant in the garden
and most important you need to buy only one thing.

What must Birbal buy to silence Akbar?

What's a single-digit number with no value?

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Can you find out the missing number in the grid?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

You can see it everyday, But cannot touch it at will. What is it?