There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What makes this number unique: 8,549,176,320?

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

Can you replace the question mark with the correct number in the below table sequence?

I’m tall when I’m young, and I’m short when I’m old. What am I?

What is the word or phrase below?
R | E | A | D

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?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?