2017 - JAMB Mathematics Past Questions and Answers - page 3
21
Simplify 4\(\sqrt{27}\) + 5\(\sqrt{12}\) − 3\(\sqrt{75}\)
A
7
B
− 7
C
− 7\(\sqrt{3}\)
D
7\(\sqrt{3}\)
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22
A man covered a distance of 50 miles on his first trip, on a later trip he traveled 300 miles while going 3 times as fast. His new time compared with the old distance was?
A
three times as much
B
the same
C
twice as much
D
half as much
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23
A
40o
B
55o
C
50o
D
60o
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24
Divide 4x3 - 3x + 1 by 2x - 1
A
2x2 -x + 1
B
2x2 - x -1
C
2x2 + x + 1
D
2x2 + x -1
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25
A car dealer bought a second-hand car for of 250,000 and spent N 70,000 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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26
Find the number of ways that the letters of the word EXCELLENCE be arranged
A
\(\frac{10!}{2!2!2!}\)
B
\(\frac{10!}{4!2!}\)
C
\(\frac{10!}{4!2!2!}\)
D
\(\frac{10!}{2!2!}\)
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27
Evaluate \(\frac{0.00000231}{0.007}\) and leave the answer in standard form
A
3.3 x 104
B
3.3 x 10-3
C
3.3 x 10-4
D
3.3 x 10-8
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28
If a rod 10cm in length was measured as 10.5cm, calculate the percentage error
A
5%
B
10%
C
8%
D
7%
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29
Find the principal which amounts to ₦ 5,500 at a simple interest in 5 years at 2% per annum
A
₦ 4,900
B
₦ 5,000
C
₦ 4,700
D
₦ 4,000
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30
The pie chart shows the allocation of money to each sector in a farm. The total amount allocated to the farm is ₦ 80 000. Find the amount allocated to fertilizer
A
₦ 35, 000
B
₦ 40,000
C
₦ 25,000
D
₦ 20,000
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