What has no start, end, or centre?

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

Which is the correct shadow of the bird?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

What is the largest number you can write with just 3 digits?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?