Mathematics Past Questions

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Past Questions

1,853 questions
Question 1 of 20 1,853 total questions
Question 81
waec 2022

Solve \(\frac{y+2}{4}\) - \(\frac{y-1}{3}\) > 1

Ay < -10
By < -2
Cy < 2
Dy < 10
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Question 82
waec 2022

     In the diagram, triangle MNR is inscribed in circle MNR, and line PQ is a straight line. ∠MRN = 41 and = 141, find ∠QNR

 

A39º
B80º
C110º
D141º
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Question 83
waec 2022

Simplify \(\frac{2-18m^2}{1+3m}\)

A2[1+3m]
B2[1-3m]
C2[1-3m\(^2\)]
D2[1+3m\(^2\)]
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Question 84
waec 2022

The mean of a set of 10 numbers is 56. If the mean of the first nine numbers is 55, find the 10th number.

A75
B65
C55
D45
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Question 85
waec 2022

Mrs Gabriel is pregnant. The probability that she will give birth to a girl is 1/2 and with  blue eyes is 1/4. What is the probability that she will give birth to a girl with blue eyes? 

A1
B\(\frac{3}{4}\)
C\(\frac{1}{8}\)
D\(\frac{1}{4}\)
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Question 86
waec 2022

Find ∠OSN

A36º
B42º
C54º
D72º
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Question 87
waec 2022

In the diagram, MNR is a tangent to the circle centre O at N and ∠NOS = 108°. Find ∠OSN

A72°
B32°
C36°
D18°
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Question 88
waec 2022

Given that sin (5x-28)° = cos (3x-50)", 0°≤ x ≤ 90°, find the value of x.

A39
B32
C21
D14
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Question 89
waec 2022

A boy 1.4 m tall, stood 10m away from a tree of height 12 m. Calculate, correct to the nearest degree, the angle of elevation of the top of the tree from the boy's eyes.

A70º
B47º
C19º
D8º
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Question 90
waec 2022

The length of a rectangle is 10 cm. If its perimeter is 28 cm, find the area

A30cm\(^2\)
B40cm\(^2\)
C60cm\(^2\)
D80cm\(^2\)
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Question 91
waec 2022

In the diagram, ∠ZWZY and WYX are right angles. Find the perimeter of WXYZ.

A30cm
B32cm
C35cm
D37cm
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Question 92
waec 2022

A cylinder, opened at one end, has a radius of 3.5cm and height 8cm. calculate the total surface area

A126.5cm\(^2\)
B165.0cm\(^2\)
C212.0cm\(^2\)
D214.5cm\(^2\)
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Question 93
waec 2022

A ladder 6m long leans against a vertical wall at an angle 53º to the horizontal. How high up the wall does the ladder reach?

A3.611m
B4.521m
C4.792m
D3.962m
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Question 94
waec 2022

Find the area of the sector OPSQ

A15.40cm\(^2\)
B17.64cm\(^2\)
C23.10cm\(^2\)
D32.34cm\(^2\)
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Question 95
waec 2022

In the diagram, ∠POQ = 150 and the radius of the circle PSQR is 4.2cm. [take π = 22/7]

What is the length of the minor arc?

A11cm
B15.4cm
C17.64cm
D23.10cm
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Question 96
waec 2022

An exterior angle of a regular polygon is 22.5°. Find the number of sides.

A13
B14
C15
D16
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Question 97
waec 2022

Make t the subject of k = \(m \sqrt \frac{t-p}{r}\)

A\(\frac{k^2r + p}{m^2}\)
B\(\frac{k^2r + pm^2}{m^2}\)
C\(\frac{k^2r - p}{m^2}\)
D\(\frac{k^2r + p^2}{m^2}\)
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Question 98
waec 2022

.Find the value of x such that \(\frac{1}{x}\) +\(\frac{4}{3x}\) - \(\frac{5}{6x}\) + 1 = 0

A \(\frac{1}{6}\)
B \(\frac{1}{4}\)
C \(\frac{-3}{2}\)
D \(\frac{-7}{6}\)
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Question 99
waec 2022

What value of p will make (x\(^2\) - 4x + p) a perfect square?

A-2
B16
C4
D-8
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Question 100
waec 2022

Consider the statements:

p: Stephen is intelligent

q: Stephen is good at Mathematics

If p⇒q, which of the following is a valid conclusion?

 

AIf Stephen is good at Mathematics, then he is intelligent
BIf Stephen is not good at Mathematics, then he is not intelligent
CIf Stephen is not intelligent, then he is not good at Mathematics
DIf Stephen is not good at Mathematics, then he is intelligent
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