I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Replace the question mark with the correct number.

In the image below, can you find the value of an angle(y)

Which number should replace the question mark?

what does the below math rebus puzzle mean?

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

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?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

You need to move three matchsticks to form three squares. Can you do it?