I have eight fingers and two thumbs but I do not live. What Am I?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

A farmer went to a market and bought a wolf, a goat, and a cabbage. On his way home, the farmer came to the bank of a river and rented a boat. But crossing the river by boat, the farmer could carry only himself and a single one of his purchases: the wolf, the goat, or the cabbage. If left unattended together, the wolf would eat the goat, or the goat would eat the cabbage. The farmer’s challenge was to carry himself and his purchases to the far bank of the river, leaving each purchase intact. How did he do it?

Which alphabet letter is a question?

Replace the question mark in the picture below.

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

What does the below mathematical rebus mean?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Detective Rockford was jogging near the beach at 4:30 am.
He hears a sound near the shack "No Michael, Please Do not shoot me".
Next instance he heard the sound of gunfire. Rockford rushes to the shack where he finds women lying dead and a gun in close proximity of three "Doctore Lawyer and a Teacher".

Rockford immediately knew that the Lawyer has committed the crime. How?