A man dies of old age on his 25 birthday. How is this possible?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

Can you solve below mathematical equation?

2^1234 - 2^1233

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

I add 5 to 9 and get 2. The answer is correct, so what am I?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

If Japan and Panama decided to merge into a single country, probably people will name it Japanama.

Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?