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

Solve this riddle by finding the odd one out from the rest.

What occurs twice in a week, once in a year but never in a day?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

What happened when the wheel was invented?

Can you solve the below geography rebus by decoding the below rebus ?

Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.

What is the total distance that the supersonic bird has traveled till the trains collided?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?