Mathematics Past Questions

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91 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10
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Past Questions

91 questions
Question 1 of 11 91 total questions
Question 41
jamb 1990

Simplify (\(\frac{1}{x^{-1}} \div \frac{1}{y^{-1}}\))-1

A\(\frac{y}{x}\)
Bxy
C\(\frac{x}{y}\)
D(xy)-1
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Question 42
jamb 1990

Simplify 3log\(_6\)9 + log\(_6\)12 + log\(_6\)64 - log\(_6\)72

A5
B7776
Clog631
D(7776)6
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Question 43
jamb 1990

Simplify \(\sqrt{27}\) + \(\frac{3}{\sqrt{3}}\)

A4\(\sqrt{3}\)
B\(\frac{4}{\sqrt{3}}\)
C3\(\sqrt{3}\)
D\(\frac{\sqrt{3}}{4}\)
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Question 44
jamb 1990

Simplify \(\sqrt{160r^2 + \sqrt{71r^4 + \sqrt{100r^8}}}\)

A9r2
B12\(\sqrt{3r}\)
C13r
D\(\sqrt{13r}\)
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Question 45
jamb 1990

Three brothers in a business deal share the profit at the end of a contact. The first received \(\frac{1}{3}\) of the profit and the second \(\frac{2}{3}\) of the remainder. If the third received the remaining N12000.00 how much profit did they share?

AN60 000.00
BN54 000.00
CN48 000.00
DN42 000.00
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Question 46
jamb 1990

Simplify and express in standard form \(\frac{0.00275 \times 0.0064}{0.025 \times 0.08}\)

A8.8 x 10-1
B8.8 x 10-2
C8.8 x 10-3
D8.8 x 103
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Question 47
jamb 1990

Three children shared a basket of mangoes in such a way that the first child took \(\frac{1}{4}\) of the mangoes and the second \(\frac{3}{4}\) of the remainder. What fraction of the mangoes did the third child take?

A\(\frac{3}{16}\)
B\(\frac{7}{16}\)
C\(\frac{9}{16}\)
D\(\frac{13}{16}\)
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Question 48
jamb 1990

At what rate would a sum of N100.00 deposited for 5 years raise an interest of N7.50?

A\(\frac{1}{2}\)%
B2\(\frac{1}{2}\)%
C1.5%
D25%
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Question 49
jamb 1990

Correct 241.34(3 x 10-\(^3\))\(^2\) to 4 significant figures

A0.0014
B0.001448
C0.0022
D0.002172
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Question 50
jamb 1990
The H.C.F. of a2bx + ab2x and a2b - b2 is
Ab
Ba + b
Cb(a \(\div\) b)
Dabx(a2 - b2)
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Question 51
jamb 1990

Simplify \(\frac{4\frac{3}{4} - 6\frac{1}{4}}{4\frac{1}{5} \text{ of } 1\frac{1}{4}}\)

A-7\(\frac{7}{8}\)
B\(\frac{-2}{7}\)
C\(\frac{-10}{21}\)
D\(\frac{10}{21}\)
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