Mathematics Past Questions

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

129 questions
Question 1 of 20 129 total questions
Question 21
waec 2002

In the diagram, |QR| = 10cm, PR⊥QS, angle PSR = 30° and angle PQR = 45°. Calculate in meters |QS|

A\(10(1+\sqrt{3})\)
B\(20\sqrt{3}\)
C\(10\sqrt{3}\)
D\((10+\sqrt{3})\)
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Question 22
waec 2002

In the diagram, \(\bar{PS}\hspace{1mm} and \hspace{1mm}\bar{QT}\) are two altitudes of ∆PQR. Which of the following is equal to ∠RQT?

A∠PQT
B∠SRP
C∠PQR
D∠SPR
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Question 23
waec 2002

In the diagram, calculate the value of x

A35o
B80o
C100o
D115o
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Question 24
waec 2002

In the diagram, QRT is a straight line. If angle PTR = 90°, angle PRT = 60°, angle PQR = 30° and |PQ| = \(6\sqrt{3}cm\), calculate |RT|

A0.3cm
B\(\frac{\sqrt{3}}{2}cm\)
C3cm
D\(3\sqrt{3}cm\)
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Question 25
waec 2002

If q oranges are sold for t Naira, how many oranges can be bought for p naira?

A\(\frac{p}{2}t\)
B\(\frac{qt}{p}\)
C\(\frac{q}{pt}\)
D\(\frac{pq}{t}\)
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Question 26
waec 2002

Factorize m(2a-b)-2n(b-2a)

A(2a-b)(2n-m)
B(2a+b)(m-2n)
C(2a-b)(m+2n)
D(2a-b)(m-2n)
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Question 27
waec 2002

Simplify \(3\sqrt{12} + 10\sqrt{3} - \frac{6}{\sqrt{3}}\)

A\(7\sqrt{3}\)
B\(10\sqrt{3}\)
C\(14\sqrt{3}\)
D\(18\sqrt{3}\)
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Question 28
waec 2002

The volume of a cylinder of radius 14cm is 210cm3. What is the curved surface area of the cylinder?

A15cm2
B30cm2
C616cm2
D1262cm2
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Question 29
waec 2002

The angle of depression of a point Q from a vertical tower PR, 30m high, is 40°. If the foot P of the tower is on the same horizontal level as Q, find, correct to 2 decimal places, |PQ|.

A35.75m
B25.00m
C22.98m
D19.28
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Question 30
waec 2002
In the diagram, |SR| = |RQ| and ∠PRQ = 58o ∠VQT = 19o, PQT, SQV and PSR are straight lines. Find ∠QPS
A42o
B39o
C38o
D30o
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Question 31
waec 2002
Simplify \(\frac{2^{\frac{1}{2}}\times 8^{\frac{1}{2}}}{4}\)
A1
B2
C4
D16
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Question 32
waec 2002

In the diagram O is the centre of the circle. Which of the following is/are not true? I. a = b II. b + c = 180o III. a + b = c

AI and II only
BII and III only
CII only
DIII only
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Question 33
waec 2002

In the diagram O and O' are the centres of the circles radii 15cm and 8cm respectively. If PQ = 12cm, find |OO'|.

A8.46cm
B19.04cm
C20.81cm
D26.16cm
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Question 34
waec 2002
The upper quartile of the distribution is
A30
B27.5
C25
D17.75
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Question 35
waec 2002
The range of the distribution is
A50
B30
C25
D15
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Question 36
waec 2002
The median of the distribution is
A25
B17.5
C15
D12.5
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Question 37
waec 2002

A number is selected at random from the set Y = {18, 19, 20, . . . 28, 29}. Find the probability that the number is prime.

A\(\frac{1}{4}\)
B\(\frac{3}{11}\)
C\(\frac{1}{2}\)
D\(\frac{3}{4}\)
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Question 38
waec 2002
The base diameter of a cone is 14cm, and its volume is 462 cm3. Find its height. [Taken \(\pi = \frac{22}{7}\)]
A3.5cm
B5cm
C7cm
D9cm
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Question 39
waec 2002

The lengths of the parallel sides of a trapezium are 9 cm and 12 cm. lf the area of the trapezium is 105 cm\(^2\), find the perpendicular distance between the parallel sides.

A5cm
B7cm
C10cm
D15cm
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Question 40
waec 2002
Simplify \(\frac{1}{1-x} + \frac{2}{1+x}\)
A\(\frac{x+3}{1-x^2}\)
B\(\frac{x-3}{1+x^2}\)
C\(\frac{3-x}{1-x^2}\)
D\(\frac{3-x}{1+x^2}\)
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