What work can one never finish?

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?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Which of the below owl is odd one out?

If 21x = 79x, what is the value of x?

what does the below math rebus puzzle mean?

What part of Turkey has the most feathers?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?