What is more useful when it is broken?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

Find the next number in the sequence

5 12 24 36 ?

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?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()