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?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

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?

Why do we preferably have round manhole covers and not square ones?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

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

Can you solve the below tricky visual equation?

Can you find out the missing number in the grid?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?