Mathematics Past Questions

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Past Questions

4,407 questions
Question 1 of 20 4,407 total questions
Question 191
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 192
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 193
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 194
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 195
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 196
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 197
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 198
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 199
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 200
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 201
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 202
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 203
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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Question 204
waec 2022

Mary has $ 3.00 more than Ben but $ 5.00 less than Jane. If Mary has $ x, how much does Jane and Ben have altogether?

A$(2x-8)
B$(2x+8)
C$(2x-2)
D$(2x+2)
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Question 205
waec 2022

If 5x + 3y=4 and 5x-3y= 2, what is the value of (25x\(^2\) -9y\(^2\))?

A20
B16
C2
D8
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Question 206
waec 2022

The length of a piece of stick is 1.75 m. A boy measured it as 1.80 m. Find the percentage error

A4\(\frac{4}{7}\)
B2\(\frac{6}{7}\)
C2\(\frac{7}{9}\)
D4\(\frac{7}{9}\)
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Question 207
waec 2022

Three boys shared D 10,500.00 in the ratio 6:7:8. Find the largest share.

A4000
B5000
C4500
D3500
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Question 208
waec 2022

If a = 3 and b = -7, find the value of \(\frac{5b+(a+b)^2}{(a-b)^2}\)

A0.51
B0.91
C-0.19
D-0.51
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Question 209
waec 2022

M varies directly as n and inversely as the square of p. If M= 3 when n = 2 and p = 1, find M in terms of n and p.

A\(\frac{3n}{2p^2}\)
B\(\frac{2n}{3p^2}\)
C\(\frac{2n}{3p}\)
D\(\frac{3n^2}{2p^2}\)
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Question 210
waec 2022

Find the 17term of the Arithmetic Progression (A.P):-6,-1,4

A-91
B-86
C74
D79
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