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

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Can you tell a 3D object that has just two surfaces?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?

Can you name an animal whose killing cannot be performed without spilling your own blood?

If a wheel has 54 spokes, how many spaces are there between the spokes?

How many bananas can you eat if your stomach is empty?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

I know a number which is spelt in alphabetical order.
Do you?