Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

Which Burger Is Different in below image?

What is the largest number you can write with just 3 digits?

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 knock a Table over in the library, and suddenly 20 eyes are looking at you.

What is the end of everything?

A gardener planted the Lemon trees in a mathematical ordered way (i.e. he planted a tree in rows).
He created a total of 19 rows of trees.

Note: There should be more than 2 trees to count as a row.

What is the minimum number of trees required by the gardener to have 19 rows of trees?

Count the number of triangles in the picture below:

Can you make a fire with just a single stick?