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1998 - JAMB Mathematics Past Questions and Answers - page 4

31
In diagram, PQ || ST and < PQR = 120o, < RST = 130o, find the angle marked x
A
50
B
65
C
70
D
80
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32
In the figure, PQST is a parallelogram and TSR is a straight line. If the area of \(\bigtriangleup\)QRS is 20cm2, find the area of the trapezium PQRT.
A
35cm2
B
65cm2
C
70cm2
D
140cm2
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33
TQ is tangent to circle XYTR, < YXT = 32o, RTQ = 40o. fIND < YTR
A
108o
B
121o
C
140o
D
148o
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34
In the diagram, QTR is a straight line and < PQT = 30o. find the sin of < PTR
A
\(\frac{8}{15}\)
B
\(\frac{2}{3}\)
C
\(\frac{3}{4}\)
D
\(\frac{15}{16}\)
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35

A chord of a circle radius (\sqrt{3cm}) subtends an angle of 60o on the circumference of he circle. Find the length of the chord

A
\(\frac{\sqrt{3}}{2}\)
B
\(\frac{3}{2}\)
C
3
D
\(\sqrt{3}\)cm
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36
The pie chart shows the monthly expenditure pf a public servant. The monthly expenditure on housing is twice that of school fees. How much does the worker spend on housing if his monthly income is N7200?
A
N1000
B
N2000
C
N3000
D
N4000
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37
The bar chart shows the distribution of marks scored by 60 pupils in a test in which the maximum score was 10. If the pass mark was 5, what percentage of the pupils failed the test?
A
59.4%
B
50.0%
C
41.7%
D
25.0%
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38

If 10112 + x7 = 2510, solve for X.

A
207
B
14
C
20
D
24
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39

Evaluate [(\frac{1}{0.03}) (\div) (\frac{1}{0.024})]-1 correct to 2 decimal places

A
3.76
B
1.25
C
0.94
D
0.75
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40

If b3 = a-2 and c(\frac{1}{3}) = a(\frac{1}{2})b, express c in terms of a

A
a-\(\frac{1}{2}\)
B
a\(\frac{1}{3}\)
C
a\(\frac{3}{2}\)
D
a\(\frac{2}{3}\)
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