Mathematics 1993 Waec Past Questions and Answers

Question 46 :

• WAEC 1993

What is the probability of having an even number in a single toss of a fair die?

A. 1/6
B. 1/3
C. 1/2
D. 2/3
E. 5/6

Question 47 :

• WAEC 1993

What is the probability that the total sum of seven would appear in toss of a fair die?

A. 5/36
B. 1/6
C. 7/36
D. 5/6
E. 1

Question 48 :

• WAEC 1993

A die is rolled 200 times the outcomes obtained are shown in the table below.
Find the probability of obtaining 2.

A. 0.002
B. 0.015
C. 0.15
D. 16
E. 0.2

Question 49 :

• WAEC 1993

Number	1	2	3	4	5	6
No of times	25	30	45	28	40	32

A die rolled 200 times. The outcome obtained are shown in the table above.
What is the probability of obtaining a number less than 3 ?

A. 0.125
B. 0.150
C. 0.275
D. 0.500
E. 0.725

Question 50 :

• WAEC 1993

(a) Simplify, without using Mathematical tables: \(\log_{10} (\frac{30}{16}) - 2 \log_{10} (\frac{5}{9}) + \log_{10} (\frac{400}{243})\)
(b) Without using Mathematical tables, calculate \(\sqrt{\frac{P}{Q}}\) where \(P = 3.6 \times 10^{-3}\) and \(Q = 2.25 \times 10^{6}\), leaving your answer in standard form.