How can you write nineteen in a manner that if we take out one, it becomes twenty?

What has no start, end, or centre?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

What kind of band never plays music?

Why are televisions attracted to people?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

Find the hidden tiger in the given optical illusion ?

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?

How many letters are in the alphabet?

Why do you find that most of the buildings are deprived of the 13th floor?