red
72°
A bag contains red bricks, yellow bricks and green bricks only.
The incomplete table and an incomplete pie chart give information about the colours of

the bricks in the bag.
Find the number of red bricks.
A box contains 9 red bricks and 6 green bricks only.
Asha takes a brick from the bag and a brick from the box.
red
72°
A bag contains red bricks, yellow bricks and green bricks only.
The incomplete table and an incomplete pie chart give information about the colours of
the bricks in the bag.
Complete the tree diagram opposite.

red
72°
A bag contains red bricks, yellow bricks and green bricks only.
The incomplete table and an incomplete pie chart give information about the colours of

the bricks in the bag.
Calculate the probability that exactly one of the bricks is green.
Question 1 continued
Bag
Box
6
green
15
green
50
130
not green
green
not green
not green





