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?

Find the missing letter in the last circle logically in the given below picture.

Before Mount Everest was discovered, what was the highest mountain in the world?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees.

If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?

You need to move three matchsticks to form three squares. Can you do it?

What has many keys but can’t open a single lock?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?