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2007 - JAMB Mathematics Past Questions and Answers - page 8

71

If the lines 3y = 4x - 1 and qy = x + 3 are parallel to each other, the value of q is

A
-4/3
B
-3/4
C
4/3
D
3/4
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72

In the parallelogram PQRS above, find angle SQR

A
100o
B
80o
C
50o
D
30o
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73

The volume of a hemispherical bowl is (718\frac{2}{3}). Find its radius .

A
4.0 cm
B
5.6 cm
C
7.0 cm
D
3.8 cm
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74

A particle P moves between points S and T such that angles SPT is always constant of ST constant. Find the locus off P

A
It is a semi circle with ST as diameter
B
It is a perpendicular bisector of St
C
It is a quadrant of a circle with ST as diameter
D
It is a straight line perpendicular to ST
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75

If the lines 2y - kx + 2 = 0 and y + x - k/2 = 0 Intersect at (1, -2), find the value of k

A
-4
B
-3
C
-2
D
-1
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76

A man 40 m from the foot of a tower observes the angle of elevation of the tower to be 30o. Determine the height of the tower.

A
\(\frac{40\sqrt{3}}{3}m\)
B
20 m
C
40√3 m
D
40 m
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77

Find the locus of point equidistant from two straight lines y - 5 = 0 and y - 3 = 0

A
y - 2 = 0
B
y - 4 = 0
C
y - 1 = 0
D
y - 3 = 0
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78

What is the value of k if the mid-point of the line joining (1 - k, - 4) and (2, k + 1) is (-k , k)?

A
-3
B
-1
C
-4
D
-2
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79

Find the size of each exterior angle of a regular octagon

A
51o
B
45o
C
40o
D
36o
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80

Find the value of (\frac{tan 60^o - tan 30^o}{tan 60^o + tan 30^o})

A
\(\frac{4}{\sqrt{3}}\)
B
\(\frac{2}{\sqrt{3}}\)
C
1
D
\(\frac{1}{2}\)
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