When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

Can it be possible to build a house that has all its four walls facing towards the South?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

What is full of holes but still holds water?

Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?