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

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

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?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What is the next shape from answers A, B, C, and D figure?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Different lights make me strange by changing me into different sizes. What am I?