Mathematics Past Questions and Answers

In the diagram, O is the centre of the circle, < QPS = 100^o, < PSQ = 60^o and < QSR. Calculate < SQR

A 20^o
B 40^o
C 60^o
D 80^o

Question 1697:

A bag contains 5 red and 4 blue identical balls. Id two balls are selected at random from the bag, one after the other, with replacement, find the probability that the first is red and the second is blue

A \(\frac{2}{9}\)
B \(\frac{5}{18}\)
C \(\frac{20}{81}\)
D \(\frac{5}{9}\)

Question 1698:

The relation y = x² + 2x + k passes through the point (2,0). Find the value of k

A - 8
B - 4
C 4
D 8

Question 1699:

Find the next three terms of the sequence; 0, 1, 1, 2, 3, 5, 8...

A 13, 19, 23
B 9, 11, 13
C 11, 15, 19
D 13, 21, 34

Question 1700:

Find the lower quartile of the distribution illustrated by the cumulative frequency curve

A 17.5
B 19.0
C 27.5
D 28.0