Mathematics Past Questions

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Past Questions

1,853 questions
Question 1 of 20 1,853 total questions
Question 891
waec 1989

With reference to the graph above, which of the following solution sets is represented by ΔOPQ?

Ay ≥ x, y ≤ 0, y + x ≥ 7
By ≤ x, y ≥ 0, y + x ≤ 7
Cy ≥ x, y ≥ 0, y + x ≤ 7
Dy ≤ x, y ≤ 0, y + x ≤ 7
Ey ≤ x, y ≥ 0, y + x ≥ 7
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Question 892
waec 1989

In the diagram above, what is the size of angle ACB?

A40o
B50o
C60o
D80o
E100o
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Question 893
waec 1989

Simplify \(\frac{9^{-\frac{1}{2}}}{27^{\frac{2}{3}}}\)

A1
B1/3
C1/9
D1/18
E1/27
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Question 894
waec 1989

In the diagram above O is the center of the circle, if ∠PAQ = 75o, what is the value of ∠PBQ?

A15o
B75o
C105o
D150o
E210o
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Question 895
waec 1989
What is the range of the distribution?
A2
B7
C8
D9
E10
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Question 896
waec 1989

What is the median score?

A2
B4
C5
D6
E7
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Question 897
waec 1989
What is the mode of the score
A3
B4
C5
D6
E7
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Question 898
waec 1989

If A = {a,b,c}, B = {a,b,c,d,e} and C = {a,b,c,d,e,f}. Find (A∪B)∩(A∪C)

A{a,b,c,d}
B{a,b,c,d,e}
C{a,b,c,d,e,f}
D{a,b,c}
EΦ
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Question 899
waec 1989

What percentage of the population are married? correct to one decimal place

A14.8%
B20.4%
C30.5%
D35.2%
E36.5%
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Question 900
waec 1989

What angle represents grown up girls ? Correct to one decimal place

A37.5o
B26.7o
C25.7o
D20o
E3.75o
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Question 901
waec 1989

Solve the following equation: 6x\(^2\) - 7x - 5 = 0

Ax = 1/2 or x = -21/2
Bx = 1/3 or x = 21/2
Cx = 1 2/3 or x = -1/2
Dx = 12/3 or x = 1/2
Ex = 5/6 or x = -1
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Question 902
waec 1989
Calculate the surface area of a hallow cylinder which is closed at one end, if the base radius is 3.5cm and the height 8cm.[take π = 22/7]
A126.5cm2
B165cm2
C176cm2
D214.5cm2
E253.5cm2
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Question 903
waec 1989

In the diagram above, O is the center of the circle. Calculate the length of the chord AB if |OA| = 5cm, |OD| = 3cm and ∠AOD = ∠BOD

A3cm
B4cm
C5cm
D8cm
E15cm
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Question 904
waec 1989

Points X and Y are respectively 20km North and 9km East of a point O. What is the bearing of Y from X? Correct to the nearest degree

A024o
B114o
C156o
D204o
E336o
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Question 905
waec 1989

If 3\(^y\) = 243, find the value of y.

A2
B3
C4
D5
E6
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Question 906
waec 1989

If twice a certain integer is subtracted from 5 times the integer, the result is 63. Find the integer.

A21
B9
C7
D4
E3
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Question 907
waec 1989

An arc of a circle radius 7cm is 14cm long. What angle does the arc subtend at the center of circle?
[Take π = 22/7]

A25.7o
B44o
C51.43o
D98o
E114.55o
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Question 908
waec 1989

The venn diagram below shows the number of students who studied Physics, Chemistry, and Mathematics in a certain school. How many students took at least two of the three subjects?

A165
B160
C155
D135
E85
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Question 909
waec 1989

Using the above graph, if 10º < x < 60º, what is the value of x for which sin x = cos x?

A0o
B20o
C30o
D45o
E50o
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Question 910
waec 1989

In the diagram above ABDE and FCDE are parallelograms. If |FC| = 12.2cm and the height |PC| = 4.0cm, calculate the area of the parallelogram ABDE.

A3.05cm2
B8.20cm2
C16.20cm2
D24.40cm2
E48.8cm2
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