Mathematics Past Questions

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

49 questions
Question 1 of 9 49 total questions
Question 21
jamb 1992

If U = (1, 2, 3, 6, 7, 8, 9, 10) is the universal set. E = (10, 4, 6, 8, 10) and F = {x: 1x\(^2\) = 2\(^6\), x is odd}. Find (E ∩ F)', where ' means the complement of a set.

A(0)
BU
C(8)
D\(\phi\)
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Question 22
jamb 1992
If x = (all prime factors of 44) and y = (all prime factors of 60), the elements of X ∪ Y and X ∩ Y respectively are
A(2, 4, 3, 5, 11) and (4)
B(4, 3, 5, 11) and (3, 4)
C(2, 5, 11) and (2)
D(2, 3, 5, 11) and (2)
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Question 23
jamb 1992
If x = 3 - \(\sqrt{3}\), find x2 + \(\frac{36}{x^2}\)
A9
B18
C24
D27
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Question 24
jamb 1992

Simplify 5\(\sqrt{18}\) - 3\(\sqrt{72}\) + 4\(\sqrt{50}\)

A17\(\sqrt{4}\)
B4\(\sqrt{17}\)
C17\(\sqrt{2}\)
D12\(\sqrt{4}\)
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Question 25
jamb 1992

Simplify \(\frac{(1.25 \times 10^{-4}) \times (2.0 \times 10^{-1})}{(6.25 \times 10^5)}\)

A4.0 x 10-11
B5.0 x 10-2
C2.0 x 10-1
D5.0 x 10-3
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Question 26
jamb 1992
What is the value of x satisfying the equation \(\frac{4^{2x}}{4^{3x}}\) = 2?
A-2
B-\(\frac{1}{2}\)
C\(\frac{1}{2}\)
D2
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Question 27
jamb 1992

Evaluate \(\log_{b} a^{n}\) if \(b = a^{\frac{1}{n}}\).

An2
Bn
C\(\frac{1}{n}\)
D\(\frac{1}{n^2}\)
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Question 28
jamb 1992

The radius of a circle is given as 5cm subject to an error of 0.1cm. What is the percentage error in the area of the circle?

A\(\frac{1}{25}\)
B\(\frac{1}{4}\)
C4
D25
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Question 29
jamb 1992
Find n if 34n = 100112
A5
B6
C7
D8
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