In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

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

Find the missing number in the image below.

Can you find the six hidden animals in the picture below?

Which is the smallest number that you can write using all the vowels exactly once?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

If two's company, and three's a crowd, then whats four and five ?

You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:

Door A: It's behind B or C
Door B: Its behind A or D
Door C: It's in here
Door D: It's not in here

Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"