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?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

If eleven plus two equals one, what does nine plus five equal?

Which is heavier: a ton of bricks or a ton of feathers?

I am white when I am dirty, and black when I am clean. What am I?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?