A bag contains 5 red counters and 4 green counters.
Two counters are drawn at random from the bag.
What is the probability that they are both red?

Three cards are drawn together from a pack of 52 playing cards.
Find the probability that the three cards drawn are all aces

Two dice are thrown.
What is the probability that the sum of the two numbers thrown is 10?

A box contains 5 green discs and x blue discs.
A disc is drawn at random from the box.
The probability that it is blue is p.
Find p in terms of x.

Two dice are thrown.
What is the probability of getting two different numbers?

A team of four people is chosen from a panel of nine boys and eight girls.
If the team is chosen at random, find the probability that it consists of girls only?

There are thirty days in June. Three students have their birthdays in June.
The birthdays are independent of each other and all dates are equally likely.
What is the probability that all three students have the same birthday?

Five cards are numbered from 1 to 5. Two cards are drawn at random from the five cards. Find the probability that the sum of the numbers on the cards drawn is greater than the sum of the numbers on the cards not drawn.

There are twelve discs in a board-game: five blue, three green and four yellow.
Four discs are chosen at random. What is the probability that two of the discs are blue and two are not blue?

Two unbiased dice, each with faces numbered from 1 to 6, are thrown.
What is the probability of getting a total that is a prime number?