When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

What does the below image rebus riddle means ?

Can you count the number of quadrilaterals in the picture below?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

What building has the most stories?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.