1989 - WAEC Mathematics Past Questions and Answers - page 1
1
If 3loga + 5loga - 6loga = log64, what is a?
A
4
B
6
C
8
D
16
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2
If the second and fourth term of a G.P are 8 and 32 respectively,what is the sum of the first four terms?
A
28
B
40
C
48
D
60
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3
In the diagram above, TPS is a straight line, PQRS is a parallelogram with base QR and height 8cm. |QR| = 6cm and the area of triangle QST is 52cm2. Find the area of ΔQPT
A
39cm2
B
28cm2
C
24cm2
D
21cm2
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4
In the diagram O is the center of the circle, if ∠QRS = 62o, find the value of ∠SQR.
A
14o
B
28o
C
31o
D
45o
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5
Evaluate, using logarithm tables \(\frac{5.34 \times 67.4}{2.7}\)
A
1.332
B
13.32
C
133.2
D
1332
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6
Factorize 35 - 2b - b2
A
(35-2b)(b-1)
B
(7+b)(5-b)
C
(3+7b)(5-b)
D
(35-b)(3b+7)
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7
Evaluate \(\frac{0.009}{0.012}\), leaving your answer in standard form.
A
7.5 x 102
B
7.5 x 101
C
7.5 x 10-1
D
7.5 x 10-2
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8
The graph above is that of a quadratic function y = 2x2 - x - 6
The roots of the equation are
The roots of the equation are
A
1.5, 2
B
-1.5, 2
C
1, -6
D
1, 6
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9
Factorize the following expression; 2x2 + x - 15
A
(2x+5)(x-3)
B
(2x-5)(x+3)
C
(2x-5)(x-3)
D
(2x-3)(x+5)
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10
The angle of elevation of X from Y is 30o. If XY = 40m, how high is X above the level of Y?
A
10m
B
20m
C
20√3m
D
40m
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