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Broad Topics >

Probability > Equally likely outcomes

##### Age 14 to 18 Challenge Level:

Can you work out which spinners were used to generate the frequency charts?

##### Age 16 to 18 Challenge Level:

Invent a set of three dice where each one is better than one of the others?

##### Age 14 to 16 Short Challenge Level:

Will the witch make a profit or loss?

##### Age 14 to 16 Challenge Level:

Four cards are shuffled and placed into two piles of two. Starting with the first pile of cards - turn a card over...
You win if all your cards end up in the trays before you run out of cards in. . . .

##### Age 14 to 16 Challenge Level:

You and I play a game involving successive throws of a fair coin.
Suppose I pick HH and you pick TH. The coin is thrown repeatedly
until we see either two heads in a row (I win) or a tail followed
by. . . .

##### Age 16 to 18 Challenge Level:

Two brothers belong to a club with 10 members. Four are selected
for a match. Find the probability that both brothers are selected.

##### Age 16 to 18 Challenge Level:

A bag contains red and blue balls. You are told the probabilities
of drawing certain combinations of balls. Find how many red and how
many blue balls there are in the bag.