2001 - JAMB Mathematics Past Questions and Answers - page 1
1
Evaluate 21.05347 - 1.6324 x 0.43 to 3 decimal places
A
20.980
B
20.351
C
20.981
D
20.352
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2
Simplify \((\sqrt[3]{64a^{3}})^{-1}\)
A
4a
B
1/8a
C
8a
D
1/41
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3
Given that \(p = 1 + \sqrt{2}\hspace{1mm}and\hspace{1mm}q = 1 -\sqrt{2},\hspace{1mm}evaluate\hspace{1mm}\frac{(p^{2} - q^{2})}{2pq}\)
A
2(2+√2)
B
-2(2+√2)
C
2√2
D
-2√2
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4
A car dealer bought a second-hand car for N250,000 and spent N70,000 refurbishing it. He then sold the car for N400,000. What is the percentage gain?
A
60%
B
32%
C
25%
D
20%
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5
If \(x = \frac{y}{2}\),evaluate\(\left(\frac{x^{3}}{y^{3}}+\frac{1}{2}\right) \div \left(\frac{1}{2} - \frac{x^{2}}{y^{2}}\right)\)
A
5/8
B
5/2
C
5/4
D
5/16
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6
Find the principal which amounts to N5,500 at a simple interest in 5 years at 2% per annum.
A
N4,900
B
N5,000
C
N4,700
D
N4,800
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7
Evaluate (0.142 x 0.275) 7(0.02) to 3 decimal places.
A
0.039
B
0.358
C
0.033
D
0.308
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8
Divide: ax3x - 26x2x + 156ax - 216 by a2x - 24ax + 108
A
ax - 2
B
ax + 2
C
ax - 8
D
ax - 6
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9
If two graphs y = px2 + q and y = 2x2 -1 intersect at x = 2, find the value of p in terms q.
A
\(\frac{q-8}{7}\)
B
\(\frac{7-q}{4}\)
C
\(\frac{8-q}{2}\)
D
\(\frac{7+q}{8}\)
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10
Find the integral values of x and y satisfying the inequality 3y + 5x \(\leq\) 15, given that y > 0, y < 3 and x > 0.
A
(1,1), (1,2), (1,3)
B
(1,1), (2,1), (1,3)
C
(1,1), (3,1), (2,2)
D
(1,1), (1,2), (2,1)
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