Mathematics Past Questions

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Past Questions

4,407 questions
Question 1 of 20 4,407 total questions
Question 61
waec 2024

Find, correct to the nearest ​​​​​​whole number, the value of h in the diagram above.

A15 m
B22 m
C23 m
D18 m
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Question 62
waec 2024

A cone and a cylinder are of equal volume. The base radius of the cone is twice the radius of the cylinder. What is the ratio of the height of the cylinder to that of the cone?

A5: 4
B4: 3
C3: 2
D3: 4
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Question 63
waec 2024

In the diagram above, JKL is a tangent to the circle GHIK at K. Find the value of the angle marked x

A93º
B55º
C42º
D23º
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Question 64
waec 2024

In the diagram above, < SQR = 52º and < PRT = 16º. Find the value of the angle marked y

A64\(^0\)
B68\(^0\)
C112\(^0\)
D128\(^0\)
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Question 65
waec 2024

For what values of x is \(\frac{x - 3}{4}\) + \(\frac{x + 1}{8}\) \(\geq\) 2 ?

Ax \(\geq\) 5
Bx \(\geq\) 6
Cx \(\geq\) 7
Dx \(\geq\) 8
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Question 66
waec 2024

Factorize completely: 27x\(^2\) - 48y\(^2\)

A3(3x + 4y)(3x - 4y)
B3(3x + 4y)(3x + 4y)
C3(9x - 16y)(9x + 16y)
D3(9x - 16y)(9x - 16y)
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Question 67
waec 2024

The number 1621 was subtracted from 6244 in base x. If the result was 4323, find x.

ASeven
BEight
CNine
DTen
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Question 68
waec 2024

The length and breadth of a cuboid are 15 cm and 8 cm respectively. If the volume of the cuboid is 1560 cm\(^3\), calculate the total surface area.

A976cm\(^2\)
B838cm\(^2\)
C792cm\(^2\)
D746cm\(^2\)
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Question 69
waec 2024

Given that P is 25 m on a bearing of 330º from Q, how far south of P is Q?

A25.2 m
B21.7 m
C19.8 m
D18.5 m
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Question 70
waec 2024

A car valued at $ 600,000.00 depreciates by 10% each year. What will be the value of the car at the end of two years? 

A$ 120,000.00
B$ 480,000.00
C$ 486,000.00
D$ 540,000.00
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Question 71
waec 2024

In the diagram above, O is the centre of the circle. If | \(\overline{OA}\) = 25 cm and |\(\overline{AB}\) = 40 cm, find |\(\overline{OH}\)|

A15 cm
B20 cm
C25 cm
D30 cm
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Question 72
waec 2024

A ladder 15 m long leans against a vertical pole, making an angle of 72º with the horizontal. Calculate, correct to one decimal place, the distance between the foot of the ladder and the pole.

A15.8 m
B14.3 m
C4.9 m
D4.6 m
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Question 73
waec 2024

In the diagram above, \(\overline{MN} || \overline{KL}\), \(\overline{ML}\) and \(\overline{KN}\) intersect at X. |\(\overline{MN}\)| = 12cm, |\(\overline{MX}\)| = 10cm and |\(\overline{MN}\)| = 9cm. If the area of \(\triangle\) MXN is 16cm\(^2\), calculate the area of \(\triangle\) LXK

A9cm\(^2\)
B8cm\(^2\)
C10cm\(^2\)
D12cm\(^2\)
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Question 74
waec 2024

A piece of rod of length 44 m is cut to form a rectangular shape such that the ratio of the length to the breadth is 7: 4. Find the breath.

A8m
B14m
C16m
D24m
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Question 75
waec 2024

Find the quadratic equation whose roots are \(\frac{2}{3}\) and - 1

A3x\(^2\) - x - 2 = 0
B3x\(^2\) + x + 2 = 0
C3x\(^2\) + x - 2 = 0
D3x\(^2\) + x - 1 = 0
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Question 76
waec 2024

Gifty, Justina, and Frank shared 60 oranges in the ratio 5: 3: 7 respectively. How many oranges did Justina receive?

A16
B12
C20
D28
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Question 77
waec 2024

A number is added to both the numerator and the denominator of the fraction \(\frac{1}{8}\) if the result is \(\frac{1}{2}\), find the number.

A3
B4
C5
D6
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Question 78
waec 2024

Consider the following statements:

m = Edna is respectful

n = Edna is brilliant,

If m ⇒ n, which of the following is valid? 

A¬n ⇒ ¬m.
B¬m ⇒ ¬n.
Cn ⇒ ¬m.
Dm ⇒ n.
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Question 79
waec 2024

Make R the subject of the relation V = πl(R\(^2\) - r\(^2\))

AR = \(\sqrt{\frac{V}{πl} + r^2}\)
BR = \(\sqrt{\frac{V}{πl} - r^2}\)
CR = \(\sqrt{V - πlr^2}\)
DR = \(\sqrt{V + πlr^2}\)
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Question 80
waec 2024

A cylindrical metallic barrel of height 2.5m and radius 0.245 is closed at one end. Find, correct to one decimal place, the total surface area of the barrel (Take π = \(\frac{22}{7}\))

A2.1 m\(^2\)
B3.5 m\(^2\)
C4.0 m\(^2\)
D9.4 m\(^2\)
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