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

Which is faster, Heat or Cold ? Explain.

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

A man was telling some of his war stories to his grandchildren.
"When the World War I was on the verge of end, I was awarded for my bravery for I had saved a group of my men." He coughed and then added, "When we were fighting in northern France, an enemy soldier threw a grenade at us. Before it could explode, I picked it up and threw it away. For my act of bravery, right before the war ended, A General gave me a sword engraved with the words "Awarded for Display of Bravery and Heroism in World War 1"."

Hearing this, one of the grandson spoke up. "Grandpa, this is not a true story. It can"t be true!"

The truth is that it was not. How did the grand children know it?

How do you go from 98 to 720 using just one letter?

Why are televisions attracted to people?

Whats the next number in the below number sequence pattern.

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?