Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

Remove two matchsticks to make the below equation correct.

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

I have no life, but I can die. What am I?

What is the next number in this series?

4,12,84,3612....

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

What goes up but never comes down?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?