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?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

The more you take me, the more you leave me behind.
Who Am I?

What is the next number in this matchsticks series riddle?

What word is pronounced the same if you take away four of its five letters?

Which is faster, Heat or Cold ? Explain.

Replace the question mark with the correct number below.