Mathematics Past Questions

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

50 questions
Question 1 of 10 50 total questions
Question 21
waec 1991

Simplify: \(\frac{1}{4}(2^n  - 2^{n + 2}\))

A\(2^{n - 2} - 2^n\)
B\(2^{n-2}(1-2^n\))
C\(2^n + 2^{2 + n}\)
D\(2^{2n}\)
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Question 22
waec 1991

Simplify \((\frac{3}{x} -  \frac{15}{2y}) \div \frac{6}{xy}\)

A\(\frac{2y - 5x}{4}\)
B\(\frac{9(2x - 5x)}{x^2y^2}\)
C\(\frac{5x - 2y}{2}\)
D\(\frac{c^2y^2}{18y - 45x}\)
E\(\frac{4}{2y - 5x}\)
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Question 23
waec 1991

Solve the equation: 3a + 10 = a\(^2\)

Aa = 5 or a = 2
Ba = -5 or a = 2
Ca = 10 or a = 0
Da = 5 or a = 0
Ea = 5 or a = -2
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Question 24
waec 1991

Factorize 3a\(^2\) - 11a + 6

A(3a - 2)(a - 3)
B(2a -2)(a - 3)
C(3a - 2)(a + 3)
D(3a + 2)(a - 3)
E(2a-3)(a + 2)
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Question 25
waec 1991

For what value of y is the expression \(\frac{y + 2}{y^{2} - 3y - 10}\) undefined?

Ay = 0
By = 2
Cy = 3
Dy = 5
Ey = 10
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Question 26
waec 1991

Simplify: \((\frac{1}{4})^{-1\frac{1}{2}}\)

A1/8
B1/4
C2
D4
E8
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Question 27
waec 1991

Find the number whose logarithm to base 10 is 2.6025

A400.4
B0.4004
C0.04004
D0.004004
E0.0004004
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Question 28
waec 1991

Simplify: log6 + log2 - log12

A-4
B-1
C0
D1
E4
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Question 29
waec 1991

The population of a village is 5846. Express this number to three significant figures

A5850
B5846
C5840
D585
E584
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Question 30
waec 1991
Express 0.0462 in standard form
A0.462 x 10-1
B0.462 x 10-2
C4.62 x 10-1
D4.62 x 10-2
E4.62 x 103
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