How many words can a pen with half refill write?

What seven-letter word has hundreds of letters in it?

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?

Jim has three close friends at his school: Michael, John and Alice. Two of them play football, two play basketball and two play hockey. The friend who does not play hockey does not play basketball as well. The friend who does not play football does not play hockey.

Can you identify which sport/s is played by which person?

In the picture given below, can you find out which digit will take place of the question mark?

How many letters are in the alphabet?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

Can you fill the blank with the correct number?

6 30 870 756030 _____

Make a sentence consisting of three words that have the whole alphabet.

What does the below rebus riddle means?