Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

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

Find the next number in the series

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

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

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?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

Count the number of triangles in the below picture?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Spot the cat in the picture below

Look at the picture and find out which square is not linked with any of the other squares.