If 1+9+8=1, what is 2+8+9?

What number divided by 4 is the same as that number minus 4?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

I have eight fingers and two thumbs but I do not live. What Am I?

What's the only room from which no one can enter or leave

How is a fly different from a mosquito?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?