Mathematics Past Questions

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Past Questions

1,853 questions
Question 1 of 20 1,853 total questions
Question 111
waec 2021

If  \(\frac{2}{x-3}\) - \(\frac{3}{x-2}\) = \(\frac{p}{(x-3)(x -2)}\), find p.

A5 - x
B- (x + 5)
C13 - x
D- (5x - 13)
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Question 112
waec 2021

if tanθ = \(frac{3}{4}\), 180° < θ < 270°, find the value of cosθ.

A\(\frac{4}{5}\)
B\(\frac{3}{5}\)
C-\(\frac{4}{5}\)
D-\(\frac{3}{5}\)
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Question 113
waec 2021

Find The quadratic Equation Whose Roots Are -2q And 5q. 

A3x\(^2\) + 3qx - 10q\(^2\)
Bx\(^2\) + 3qx + 10q\(^2\)
Cx\(^2\) - 3qx + 10q\(^2\)
Dx\(^2\) - 3qx - 10q\(^2\)
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Question 114
waec 2021

consider the statements:

P = All students offering Literature(L) also offer History(H);

Q = Students offering History(H) do not offer Geography(G).

Which of the Venn diagram correctly illustrate the two statements?

AA
BB
CC
DD
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Question 115
waec 2021

In △LMN, |LM| = 6cm, ∠LNM = x and sin x = sin x = \(\frac{3}{5}\).

Find the area of △LMN 

A60cm\(^2\)
B48cm\(^2\)
C24cm\(^2\)
D30cm\(^2\)
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Question 116
waec 2021

The height of an equilateral triangle of side is 10\(\sqrt{3}\)cm. Calculate its perimeter.

A20cm
B60cm
C40cm
D30cm
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Question 117
waec 2021

 A trader paid import duty of 38 kobo in the naira on the cost of an engine. If a total of #22,800.00 was paid as import duty, calculate the cost of the engine.

A#60,000.00
B#120,000.00
C#24,000.00
D#18,000.00
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Question 118
waec 2021

make u the subject in x =\(\frac{2u-3}{3u + 2}\)

Au = \(\frac{2x + 3}{3x - 2}\)
Bu = \(\frac{2x - 3}{3x - 2}\)
Cu = \(\frac{2x + 3}{2 - 3x}\)
Du = \(\frac{2x + 3}{3x + 2}\)
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Question 119
waec 2021

The sum of the interior angles of a regular polygon with k sides is (3k-10) right angles. Find the size of the exterior angle?

A60°
B40°
C90°
D120°
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Question 120
waec 2021

 In the diagram, ∠ABC and ∠BCD are right angles, ∠BAD = t and ∠EDF = 70°. Find the value of t.

A70°
B165°
C140°
D110°
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Question 121
waec 2021

If 4x+2y=16 and 6x-2y=4 , find the value of (y-x).

A8
B2
C4
D6
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Question 122
waec 2021

Simplify 2√7- \(\frac{14}{√7} + \frac{7}{√21}\)

A\(\frac{√21}{21}\)
B7\(\frac{√21}{21}\)
C\(\frac{√21}{3}\)
D3√21
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Question 123
waec 2021

The circumference of a circular track is 9km. A cyclist rides round it a number of times and stops after covering a distance of 302km. How far is the cyclist from the starting point?

A5km
B6km
C7km
D3km
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Question 124
waec 2021

If 16 * 2\(^{(x + 1)}\) = 4\(^x\) * 8\(^{(1 - x)}\), find the value of x.

A-4
B4
C1
D-1
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Question 125
waec 2021

Mensah is 5 years old and joyce is thrice as old as mensah. In how many years will joyce be twice as old as Mensah?

A3 years
B10 years
C5 years
D15 years
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Question 126
waec 2021

What number should be subtracted from the sum of 2 \(\frac{1}{6}\) and 2\(\frac{7}{12}\) to give 3\(\frac{1}{4}\)?

A\(\frac{1}{3}\)
B1\(\frac{1}{2}\)
C1\(\frac{1}{6}\)
D\(\frac{1}{2}\)
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Question 127
waec 2021

Factorize 6pq-3rs-3ps+6qr

A3(r -p)(2q + s)
B3(p + r)( 2q - 2q - s)
C3(2q - s)(p + r)
D3(r - p)(s - 2q)
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Question 128
waec 2021

if p = {-3

A0
B-3, -2, -1, 0 and 1
C-2, -1 and 0
D-1, 0 and 1
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Question 129
waec 2021

Find the 5th term of the sequence 2,5,10,17....?

A22
B24
C36
D26
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Question 130
waec 2021

If log\(_{10}\) 2 = m and log\(_{10}\) 3 = n, find log\(_{10}\) 24 in terms of m and n.

A3m + n
Bm + 3n
C4mn
D3mn
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