If six children and two dogs were under an umbrella, how come none of them got wet?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

How can you make number one disappear by adding something to it?

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

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?

What number do you get when you multiply all of the numbers on a telephone's number pad?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

There is a place where if I stand up straight, I will still be considered sideways.

What word is pronounced the same if you take away four of its five letters?