Mathematics 2002 Waec Past Questions and Answers

Question 26 :

• 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 27 :

• WAEC 2002

The median of the distribution is

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

Question 28 :

• WAEC 2002

The range of the distribution is

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

Question 29 :

• WAEC 2002

The upper quartile of the distribution is

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

Question 30 :

• WAEC 2002

In the diagram O and O' are the centres of the circles radii 15cm and 8cm respectively. If PQ = 12cm, find |OO'|.

A. 8.46cm
B. 19.04cm
C. 20.81cm
D. 26.16cm