You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.

Can you tell the eye color of the cab driver?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Find the missing number in the sequence below:

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

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

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

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

How many times do a clock's hands overlap in a day ?