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?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

What month of the year has 28 days?

What do you call a fish without an eye?

Can you find the key in the picture below?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.