John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

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

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Be active and find the killer in the picture Riddle 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?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

I make two people out of one. What am I?