2012 - JAMB Mathematics Past Questions and Answers - page 5

41
The shaded region above is represented by
the equation
A
y ≤ 4x + 2
B
y ≥ 4x + 2
C
y ≤ -4x + 4
D
y ≤ 4x + 4
correct option: c
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42
In diagram above, QR//TU, < PQR = 80o and
< PSU = 95o. Calculate < SUT.
A
15o
B
25o
C
30o
D
80o
correct option: a
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43
In the diagram above, PQR is a circle centre
O. If < QPR is XO, find < QRP.
A
XO
B
(90 – x)o
C
(90 + x)o
D
(180 – x)o
correct option: b
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44
Find the area of the trapezium above.
A
91 cm2
B
78 cm2
C
60 cm2
D
19 cm2
correct option: c
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45
The grades of 36 students in a class test are
as shown in the pie chart above. How many
students have excellent?
A
12
B
9
C
8
D
7
correct option: d
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46
The bar chart above shows the distribution
of marks in a class test. If the pass mark is 5,
what percentage of students failed the
test?
A
10%
B
20%
C
50%
D
60%
correct option: c
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