A fruit basket contains 12 apples, 9 bananas, and 4 oranges. Two pieces of fruit are taken from the basket at random.
Draw a tree diagram to represent this information.
Find the probability that both pieces of fruit are oranges.
Given that at least one of the fruits is a banana, find the probability that both are bananas.
24 exam-style questions on Edexcel A Level Maths 2.5 Tree Diagrams. Each one has a worked solution and a mark scheme showing where the marks go.