What's the only room from which no one can enter or leave
You knock a Table over in the library, and suddenly 20 eyes are looking at you.
A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?
How could a baby fall out of a twenty-story building onto the ground and live?
Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.
John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller. I called their home number and one of them picked up. I asked. 'Does John lie?' The person replied with a yes. Whom did I talk with, John or Jacob?
On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins. Can you tell me how many 20-paisa and 25-paisa he got?
I had an infinite supply of water and 5 litres and 3 litres jars. How would you measure exactly 4 litres in the least number of steps?
What is the next number in the series? 15 29 56 108 208 ?
How many times can you subtract the number two from the number fifty?
How many letters are in the alphabet?
Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.