Mathematics Past Questions

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

80 questions
Question 1 of 20 80 total questions
Question 1
jamb 2019

Evaluate \(\frac{2\sin 30 + 5\tan 60}{\sin 60}\), leaving your answer in surd form.

A\(\frac{2\sqrt{3}}{3} + 10\)
B\(\frac{3\sqrt{2} - 1}{5}\)
C\(\frac{3\sqrt{2} + 1}{5}\)
D\(\frac{2\sqrt{3}}{3} - 10\)
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Question 2
jamb 2019

If \(\sin x = \frac{4}{5}\), find \(\frac{1 + \cot^2 x}{\csc^2 x - 1}\).

A\(\frac{13}{2}\)
B\(\frac{25}{9}\)
C\(\frac{3}{13}\)
D\(\frac{4}{11}\)
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Question 3
jamb 2019

Calculate the volume of the regular three dimensional figure drawn above, where < ABC = 90° (a right- angled triangle).

A394 cm\(^3\)
B425 cm\(^3\)
C268 cm\(^3\)
D540 cm\(^3\)
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Question 4
jamb 2019

In the circle above, with centre O and radius 7 cm. Find the length of the arc AB, when < AOB = 57°.

A5.32 cm
B4.39 cm
C7.33 cm
D6.97 cm
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Question 5
jamb 2019

The histogram above represents the number of candidates who did Further Mathematics examination in a school. How many candidates scored more than 40?

A100
B79
C150
D90
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Question 6
jamb 2019
Marks 1 2 3 4 5
Frequency 2y - 2 y - 1 3y - 4 3 - y 6 - 2y

The table above is the distribution of data with mean equals to 3. Find the value of y.

A5
B2
C3
D6
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Question 7
jamb 2019

Find the equation of a line perpendicular to the line 4y = 7x + 3 which passes through (-3, 1)

A7y + 4x + 5 = 0
B7y - 4x - 5 = 0
C3y - 5x + 2 = 0
D3y + 5x - 2 = 0
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Question 8
jamb 2019

Find the distance between the points C(2, 2) and D(5, 6).

A13 units
B7 units
C12 units
D5 units
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Question 9
jamb 2019

Differentiate \(\frac{2x}{\sin x}\) with respect to x.

A\(2 \cot x \sec x (1 + \tan x)\)
B\(2 \csc x - x \cot x\)
C\(2x \csc x + \tan x\)
D\(2\csc x(1 - x\cot x)\)
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Question 10
jamb 2019

If y = 8x\(^3\) - 3x\(^2\) + 7x - 1, find \(\frac{\mathrm d^2 y}{\mathrm d x^2}\).

A48x - 6
B11x\(^2\) + 6x - 7
C32x + 7
D24x\(^2\) - 6x + 7
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Question 11
jamb 2019

Given the matrix \(A = \begin{vmatrix} 3 & -2 \\ 1 & 6 \end{vmatrix}\). Find the inverse of matrix A.

A\(\begin{vmatrix} 6 & 2 \\ 1 & 6 \end{vmatrix}\)
B\(\begin{vmatrix} \frac{2}{11} & \frac{1}{12}\\ \frac{3}{20} & \frac{1}{10} \end{vmatrix}\)
C\(\begin{vmatrix} -3 & 2 \\ -1 & -6 \end{vmatrix}\)
D\(\begin{vmatrix} \frac{3}{10} & \frac{1}{10} \\ \frac{-1}{20} & \frac{3}{20}\end{vmatrix}\)
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Question 12
jamb 2019

If \(\begin{vmatrix} 2 & -5 & 3 \\ x & 1 & 4 \\ 0 & 3 & 2 \end{vmatrix} = 132\), find the value of x.

A5
B8
C6
D3
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Question 13
jamb 2019

If 2x\(^2\) + x - 3 divides x - 2, find the remainder.

A7
B3
C5
D6
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Question 14
jamb 2019

Find the polynomial if given q(x) = x\(^2\) - x - 5, d(x) = 3x - 1 and r(x) = 7.

A3x\(^3\) - 4x\(^2\) - 14x + 12
B3x\(^2\) + 3x - 7
C3x\(^3\) + 4x\(^2\) + 14x - 12
D3x\(^2\) - 3x + 4
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Question 15
jamb 2019

Determine the values for which \(x^2 - 7x + 10 \leq 0\)

A2 \(\leq\) x \(\geq\) 5
B-2 \(\leq\) x \(\leq\) 3
C-2 \(\leq\) x \(\geq\) 3
D2 \(\leq\) x \(\leq\) 5
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Question 16
jamb 2019

Find the value of x for \(\frac{2 + 2x}{3} - 2 \geq \frac{4x - 6}{5}\)

Ax \(\geq\) -5
Bx \(\geq\) -1
Cx \(\leq\) -1
Dx \(\leq\) 3
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Question 17
jamb 2019

Evaluate \(\frac{2\log_{3} 9 \times \log_{3} 81^{-2}}{\log_{5} 625}\)

A4
B-32
C-8
D16
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Question 18
jamb 2019

Find the value of k in the equation: \(\sqrt{28} + \sqrt{112} - \sqrt{k} = \sqrt{175}\)

A\(\sqrt{28}\)
B7
C28
D\(\sqrt{7}\)
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Question 19
jamb 2019

In a committee of 5, which must be selected from 4 males and 3 females. In how many ways can the members be chosen if it were to include 2 females?

A144 ways
B15 ways
C185 ways
D12 ways
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Question 20
jamb 2019

If the universal set μ = {x : 1 ≤ x ≤ 20} and
A = {y : multiple of 3}
B = |z : odd numbers}
Find A ∩ B

A{1, 3, 6}
B{3, 5, 9, 12}
C{3, 9, 15}
D{2, 3, 9}
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