By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

By moving just one matchstick, you need to make the below statement true. Can you do it?

I make two people out of one. What am I?

Kareena is older than Bipasha. Bipasha is younger than Karishma and younger than Katrina. Katrina is older than Kareena and Alonso, who are older than Karishma.If Alonso and Kareena are twins, who's oldest?

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

What can you catch but never throw?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?