How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

What does the below mathematical rebus mean?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

What goes through cities and fields, but never moves?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?