There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Can you write down eight eights so that they add up to one thousand?

Replace the question mark with the correct number in below Picture:

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Birbal was jester, counsellor, and fool to the great Moghul emperor, Akbar.
The villagers loved to talk of Birbal's wisdom and cleverness,
and the emperor loved to try to outsmart him.
One day Akbar (emperor) drew a line across the floor.
"Birbal," he ordered, "you must make this line shorter, but you cannot erase any bit of it."
Everyone present thought the emperor had finally outsmarted Birbal.
It was clearly an impossible task.
Yet within moments the emperor and everyone else present had to agree that Birbal had made the line shorter without erasing any of it.
How could this be?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

Why is the Hole below a Lock?

You bought me for dinner but never eat me. What am I?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?