Mathematics Past Questions

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4,407 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10
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Past Questions

4,407 questions
Question 1 of 20 4,407 total questions
Question 1841
waec 1990

Find the value of m which makes x\(^2\) + 8 + m a perfect square

A2
B4
C8
D12
E16
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Question 1842
waec 1990

Solve the equation 7y\(^2\) = 3y

Ay = 3 or 7
By = 0 or 7
Cy = 0 or 3/7
Dy = 0 or 9
Ey = 0 or 10
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Question 1843
waec 1990

Factorize 2e\(^2\) - 3e + 1

A(2e-1) (e-1)
B(e+1) (2e+1)
C(2e+3) (e+2)
D(2e-3) (e-1)
E(e2-3(2e-1)
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Question 1844
waec 1990

Factorize x\(^2\) + 4x - 192

A(x-4) (x+48)
B(x-48) (x+4)
C(x-12) (x+16)
D(x-12) (x-16)
E(x+12) (x+16)
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Question 1845
waec 1990

In the diagram above, O is the center of the circle with radius 10cm, and ∠ABC = 30°. Calculate, correct to 1 decimal place, the length of arc AC [Take π = 22/7]

A5.2cm
B10.5cm
C13.2cm
D20.6cm
E31.4cm
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Question 1846
waec 1990

the area shaded with vertical lines is the solution set of the inequalities;

Ay ≤ x, y + 2x ≤ -3
By ≥ x, y + 2x ≥ - 3
Cy ≤ x, y ≤ 2x - 3, x ≤ 3
Dy ≤ -x, y ≤ 2x - 3, x ≤ 3
Ey ≥ x, y + 2x ≥ 3, x ≤ 3
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Question 1847
waec 1990
The area shaded with horizontal lines is the solution set of the inequalities;
Ay ≥ x, y + 3 ≥ 2x, x ≤ 3
By ≤ x, y + 2x ≥ -3, x ≤ 3
Cy ≤ -x, y + 2x ≤ 3, x ≥ -3
Dy ≥ -x, y + 3 ≤ 2x, x ≥ -3
Ey ≤ x, y ≤ 2x - 3, x ≥ 3
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Question 1848
waec 1990
In a class of 80 students, every students had to study economics or geography, or both economics and geography, if 65 students studied economics and 50 studied geography, how many studied both subjects?
A15
B30
C35
D45
E50
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Question 1849
waec 1990

Let J be the set of positive integers, If H = {x: x∈J, x\(^2\) < 3 and x ≠ 0}, then

AH = {1}
BH is an infinite set
CH = {0, 1, 2}
DH = {}
EJ ≤ H
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Question 1850
waec 1990

Find the sum of the first five terms of the G.P 2,6, 18 ....

A484
B243
C242
D130
E121
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Question 1851
waec 1990

An arc of length 22cm subtends an angle of θ at the center of the circle. What is the value of θ if the radius of the circle is 15cm?[Take π = 22/7]

A70o
B84o
C96o
D156o
E168o
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Question 1852
waec 1990

Find the values of x for which y = 5

A-2.5, 2.0
B-2.6, 2.1
C-2.0, 1.5
D-2.0, 2.0
E0, 0
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Question 1853
waec 1990

From the graph determine the roots of the equation y = 2x\(^2\) + x - 6

A-3, 4
B-2, -6
C-2, 1.5
D-1, 1
E2, 1.5
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Question 1854
waec 1990

Find the 4th term of an A.P, whose first term is 2 and the common difference is 0.5

A0.5
B2.5
C3.5
D4
E4.5
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Question 1855
waec 1990

While doing his physics practical, Idowu recorded a reading as 1.12cm instead of 1.21cm. Calculate his percentage error

A1.17%
B6.38%
C7.44%
D8.035%
E9.00%
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Question 1856
waec 1990

If log x = \(\bar{2}.3675\) and log y = 0.9750, what is the value of x + y? Correct to three significant figures

A1.18
B1.31
C9.03
D9.44
E9.46
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Question 1857
waec 1990

Evaluate using the logarithm table, log(0.65)2

A1.6258
B0.6272
C0.6258
D\(\overline{1}\).6258
E1.6272
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Question 1858
waec 1990

Simplify \(\frac{\log \sqrt{8}}{\log 8}\)

A1/3
B1/2
C1/3log√2
D1/3log√8
E1/2log√2
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Question 1859
waec 1990
Given that 1/3log10 P = 1, find the value of P
A1/10
B3
C10
D100
E1000
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Question 1860
waec 1990

Express 0.00562 in standard form

A5.62 x 10-3
B5.62 x 10-2
C562 x 10-2
D5.62 x 102
E5.62 x 103
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