Mathematics Past Questions

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

98 questions
Question 1 of 20 98 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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Question 31
jamb 1991

Find the volume of the figure

A\(\frac{a \pi^2}{3} (x + 3y) \)
Ba\(\pi ^2\)y
C\(\frac{a \pi ^2}{3}\)(y + x)
D(\(\frac{1}{3} a \pi ^2 x + y\))
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Question 32
jamb 1991

In the figure, PQRS is a square of sides 8cm. What is the area of \(\bigtriangleup\)UVW?

A64 sq. cm
B40 sq.cm
C50 sq.cm
D10 sq.cm
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Question 33
jamb 1991
In this figure, PQ = PR = PS and SRT = 68o. Find QPS
A136o
B124o
C12o
D68o
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Question 34
jamb 1991
In the figure above, find the value of y
A28o
B122o
C150o
D152o
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Question 35
jamb 1991
PMN and PQR are two secants of the circle MQTRN and PT is a tangent. If PNR = 110o and PMQ = 55o, find MPQ
A40o
B30o
C25o
D15o
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Question 36
jamb 1991
PMN and PQR are two secants of the circle MQTRN and PT is a tangent. If PM = 5cm, PN = 12cm and PQ = 4.8cm, calculate the respective lengths of PR and PT in centimeters
A7.3, 5.9
B7.7, 12.5
C12.5, 7.7
D5.9, 7.3
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Question 37
jamb 1991

In the figure above, Find the value of x

A130o
B110o
C100o
D90o
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Question 38
jamb 1991

A crate of soft drinks contains 10 bottles of Coca-cola, 8 of Fanta and 6 of sprite. If one bottle is selected at random, what is the probability that it is NOT a Cocacola bottle?

A\(\frac{5}{12}\)
B\(\frac{1}{3}\)
C\(\frac{3}{4}\)
D\(\frac{7}{12}\)
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Question 39
jamb 1991
No. defective per box 4 5 6 7 8 9
No. of boxes 2 7 17 10 8 6

Find the percentage of boxes containing at least 5 defective bolts each

A96
B94
C92
D90
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Question 40
jamb 1991

Fifty boxes each of 50 bolts, were inspected for the number which were defective. The following was the result

No of defective per box 4 5 6 7 8 9
No. of boxes 2 7 17 10 8 6


The mean and the median of the distribution are, respectively

A6.7, 6
B7.6, 5
C5.7, 87
D34, 6
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