2007 - JAMB Mathematics Past Questions and Answers - page 7
61
If x10 = 12145 find x
A
124
B
121
C
184
D
180
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62
Evaluate (\frac{(05652 - 04375)^2}{0.04}) correct to three significant figures
A
3.11
B
3.13
C
0.313
D
3.12
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63
Find the value of x for which 2(32x-1) = 162
A
5/2
B
3/2
C
2/5
D
1/2
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64
Simplify (\frac{3}{5} \div \left(\frac{2}{7} \times \frac{4}{3} \div \frac{4}{9}\right))
A
\(\frac{4}{5}\)
B
\(\frac{7}{10}\)
C
\(\frac{6}{6}\)
D
\(\frac{21}{6}\)
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65
If log102 = x, express log1012.5 in terms of x
A
2(1 + x)
B
2 + 3x
C
2(1 - x)
D
2 - 3x
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66
A man made a profit of 5% when he sold an article for N60,000.00. How much would he have sell the article to make a profit of 26%
A
N68,000
B
N72,000
C
N65,000
D
N70,000
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67
Given
P = {1, 3, 5, 7, 9, 11}
and Q = {2, 4, 6, 8, 1, 12}. Determine the relationship between P and Q
A
P∩Q = ∅
B
P ⊂ Q
C
Q⊂P
D
P = Q
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68
Evaluate 101122 - 10122
A
1100002
B
1102
C
11000002
D
110002
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69
If X = {all the perfect squares less than 40}
Y = {all the odd numbers fro, 1 to 15}. Find X ∩ Y.
A
{3, 9}
B
{9}
C
{9, 25}
D
{1, 9}
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70
Calculate the length of an arc of a circle diameter 14 cm, which substends an angle of 90o at the center of the circle
A
7π/2 cm
B
7π cm
C
14π cm
D
7π/4 cm
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