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Mathematics Past Questions

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1,853 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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Past Questions

1,853 questions

Question 1 of 20 1,853 total questions

Question 871

waec 1990

A sector of a circle of radius 7cm has an area of 44cm². Calculate the angle of the sector correct to the nearest degree [Take π = 22/7]

A6^o

B26^o

C52^o

D103^o

E206^o

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Question 872

waec 1990

Solve the equation 2a\(^2\) - 3a - 27 = 0

A3/2, 9

B-2/3, 9

C3, 9/2

D-3, -9/2

E-3, 9/2

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Question 873

waec 1990

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

D12

E16

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Question 874

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 875

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 876

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 877

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 878

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 879

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 880

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 881

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 882

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 883

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]

A70^o

B84^o

C96^o

D156^o

E168^o

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Question 884

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 885

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 886

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

E4.5

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Question 887

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 888

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 889

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 890

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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