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

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

What do you see in the given picture?

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

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

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.