Q.no 3 In a bag there are only red bricks, blue bricks, green bricks and orange bricks.
The number of green bricks in the bag is the same as the number of orange bricks.
Jiao takes at random a brick from the bag.
The table gives the probability that Jiao takes a red brick and the probability that he takes
a blue brick.
(a) Work out the probability that Jiao takes an orange brick.
Q.no 9 The frequency table shows information about the ages of 60 people on a train.
(a) Complete the cumulative frequency table.
Q.no 18 The diagram shows part of the curve with equation y=f(x)
The coordinates of the minimum point on this curve are (3, –4)
(a) Write down the coordinates of the minimum point on the curve with equation
(i) y = f(x – 4)
19 The diagram shows triangle ABD
N is the midpoint of BC.
C is the midpoint of AD.
M is the point on AB such that AM:MB = 3 :1