I have Rs.50 and I spend it in the way as below.

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

What number when divided in half becomes zero?

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

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

Three people check into a hotel. They pay $60 for the rent of the room. After they check-in, the manager realize that the rent for the room is $55. So, he gives $5 to the bellboy and asks him to give it to them. The bellboy thinks that it will be difficult for the three people to share $5 among them and seeking the personal benefit, he pockets $2 and gives the remaining $3 to them.

Now, each person paid $20 and got back $1. In this manner, each of them paid just $19 which totals to the amount of $57. The bellboy has $2 with him and adding them, we get $59. So where is the remaining $1?

What can you serve, but never eat?

How is a fly different from a mosquito?