Cups and saucers

This task is about finding all possible combinations, and chance.

Questions/instructions:

a) Each cup can be paired with each saucer. How many different pairings of a cup and saucer can be made?
  (A) 2
  (B) 3
  (C) 5
  (D)
6
 
b)  
There is only one red marble in each of the bags shown below. Without looking, you are to pick a marble out of one of the bags.
Which bag would give you the greatest chance of picking the red marble?  

  (A) Bag with 10 marbles.
  (B) Bag with 100 marbles.
  (C) Bag with 1000 marbles.
  (D) It makes no difference.