There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

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

What can you deduce from the following BrainBat?

CRY
LMKI

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

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

Find 3 Differences Within This Excursion Scene In 20 Seconds