Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

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?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

Which is heavier: a ton of bricks or a ton of feathers?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Find out the number of circles in the given picture having Illusion

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?