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

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

I have two sand hourglasses:
1. A 7 minute one and
2. An 11-minute one.

Using just these 2 sand hourglasses, how can I measure time as 15 minutes?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

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?

John was piloting a plane behind a car but was never able to overtake it. Why?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?