What four weights can be used to balance from 1 to 30 pounds?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

In the image given, you can find several triangles. Can you count them all?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

Solve the mathematical equation in the picture below.

Decode the below four famous ciphers:

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

Can you find a five letter word that is left with only two letters if one is removed?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?