2004 - WAEC Mathematics Past Questions and Answers - page 2
11
Find the area of a rectangle of length 4cm and whose diagonal is 6cm, (Leave your answer in surd form)
A
8√3cm2
B
12√3cm2
C
16√2cm2
D
16√3cm2
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12
Given that x + y = 7 and 3x-y = 5, evaluate \(\frac{y}{2}-3\).
A
-1
B
1
C
3
D
4
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13
In the diagram, POQ is the diameter of the circle centre O. Calculate ∠QRS
A
35o
B
70o
C
100o
D
125o
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14
If \(\left(\frac{1}{4}\right)^{(2-y)} = 1\), find y.
A
-2
B
\(-\frac{1}{2}\).
C
\(\frac{1}{2}\)
D
2
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15
Calculate the total surface area of a cupboard which measures 12cm by 10cm by 8cm
A
1920cm2
B
592cm2
C
296cm2
D
148cm2
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16
If \(\frac{x}{a+1}+\frac{y}{b}\) 1. Make y the subject of the relation
A
\(\frac{b(a-x+1)}{a+1}\)
B
\(\frac{a+1}{b(a-x+1)}\)
C
\(\frac{a(b-x+1)}{b+1}\)
D
\(\frac{b}{a(b-x+1)}\)
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17
lf \(log_q p= r\), express p in terms of q and r
A
p =qr
B
p =rq
C
\(p = \frac{r}{q}\)
D
p=qr
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18
Find the next two terms of the sequence
1, 5, 14, 30, 55, ...
A
61,110
B
67,116
C
81,140
D
91, 140
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19
Each interior angle of a regular polygon is 108°. How many sides has it?
A
5
B
7
C
9
D
14
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20
Solve the equation 10-3x-x2 = 0
A
x=2 or-5
B
x= -2 or 5
C
x = 1 or 10
D
x = 2 or 5
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