Count the number of squares in the picture below.

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

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

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

If you say my name, I will no longer exist. What am I?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Can you find the thief by just looking at the picture below?

You are trapped into a death trap by the famous jigsaw killer. As usual, a screen flashes in front of you and explains you the trap game. There are 100 pearls kept in a bowl in front of you and an empty bowl. Among the 100 pearls, 50 are white and 50 are black. You can divide them as you like into the two bowls. Once you are done, you will pull a lever, which will turn the room pitch black. The bowls will move and shuffle around. In the dark, you have to pick up one pearl from any bowl. Once you do that, the room will flood with lights again. If the peral you have in your hand is white, you will be allowed to live, but if the pearl you picked is black, the room will be filled with poisonous gas and you will die. How will divide the pearls to increase your chances of survival?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.