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

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

How many times can you subtract the number 5 from 25?

Which point will the car reach to go out?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?