Waec Mathematics Past Questions and Answers

Question 811:

• WAEC 2002

The base diameter of a cone is 14cm, and its volume is 462 cm³. Find its height. [Taken \(\pi = \frac{22}{7}\)]

A. 3.5cm
B. 5cm
C. 7cm
D. 9cm

Question 812:

• WAEC 2002

A number is selected at random from the set Y = {18, 19, 20, . . . 28, 29}. Find the probability that the number is prime.

A. \(\frac{1}{4}\)
B. \(\frac{3}{11}\)
C. \(\frac{1}{2}\)
D. \(\frac{3}{4}\)

Question 813:

• WAEC 2002

The median of the distribution is

A. 25
B. 17.5
C. 15
D. 12.5

Question 814:

• WAEC 2002

The range of the distribution is

A. 50
B. 30
C. 25
D. 15

Question 815:

• WAEC 2002

The upper quartile of the distribution is

A. 30
B. 27.5
C. 25
D. 17.75