Mathematics Past Questions

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Past Questions

1,853 questions
Question 1 of 20 1,853 total questions
Question 901
waec 1989

In the diagram above, ∠SPR = P and ∠SQR = 2x. Find x in terms of P

Ax = p + 2
Bx = p - 2
Cx = p2
Dx = p/2
Ex = 2p
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Question 902
waec 1989
Instead of recording the number 1.23cm of the radius of a tube, a student recorded 1.32cm. Find the percentage of error, correct to one decimal place.
A6.8%
B7.3%
C9.6%
D14.4%
E15.4%
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Question 903
waec 1989
The angle of elevation of X from Y is 30o. If XY = 40m, how high is X above the level of Y?
A10m
B20m
C20√3m
D40m
E50m
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Question 904
waec 1989
Factorize the following expression; 2x2 + x - 15
A(2x+5)(x-3)
B(2x-5)(x+3)
C(2x-5)(x-3)
D(2x-3)(x+5)
E(2x+5)(x+3)
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Question 905
waec 1989

The graph above is that of a quadratic function y = 2x\(^2\) - x - 6
The roots of the equation are

A1.5, 2
B-1.5, 2
C1, -6
D1, 6
E-1, 6
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Question 906
waec 1989

Evaluate \(\frac{0.009}{0.012}\), leaving your answer in standard form.

A7.5 x 102
B7.5 x 101
C7.5 x 10-1
D7.5 x 10-2
E7.5 x 10-3
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Question 907
waec 1989
Factorize 35 - 2b - b2
A(35-2b)(b-1)
B(7+b)(5-b)
C(3+7b)(5-b)
D(35-b)(3b+7)
E(7+b)(5+b)
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Question 908
waec 1989

Evaluate, using logarithm tables \(\frac{5.34 \times 67.4}{2.7}\)

A1.332
B13.32
C133.2
D1332
E13.320
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Question 909
waec 1989

In the diagram O is the center of the circle, if ∠QRS = 62o, find the value of ∠SQR.

A14o
B28o
C31o
D45o
E90o
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Question 910
waec 1989

In the diagram above, TPS is a straight line, PQRS is a parallelogram with base QR and height 8cm. |QR| = 6cm and the area of triangle QST is 52cm2. Find the area of ΔQPT

A39cm2
B28cm2
C24cm2
D21cm2
E19cm2
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Question 911
waec 1989
If the second and fourth term of a G.P are 8 and 32 respectively,what is the sum of the first four terms?
A28
B40
C48
D60
E68
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Question 912
waec 1989
If 3loga + 5loga - 6loga = log64, what is a?
A4
B6
C8
D16
E32
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Question 913
waec 1988


The surnames of 40 children in a class arranged in alphabetical order. 16 of the surnames begins with O and 9 of the surname begins with A, 14, of the letters of the alphabet do not appear as the first letter of a surname


If more than one surname begins with a letter besides A and O, how may surnames begin with that letter
A2
B3
C4
D5
E6
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Question 914
waec 1988

The surnames of 40 children in a class arranged in alphabetical order. 16 of the surnames begins with O and 9 of the surname begins with A, 14, of the letters of the alphabet do not appear as the first letter of a surname


What is the probability that the surname of a child picked at random from the class begins with either O or A?
A5/8
B7/8
C9/16
D14/25
E39/40
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Question 915
waec 1988

The histogram below shows the number of candidates, in thousands, obtaining given ranges of marks in a State examination. How many candidates scored at most 30%?

A15,000
B20,000
C25,000
D35,000
E60,000
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Question 916
waec 1988

The histogram below shows the number of candidates, in thousands, obtaining given ranges of marks in a State examination. Find the total number of candidates that sat for the examination

A80,000
B120,000
C250,000
D260,000
E270,000
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Question 917
waec 1988

If Q = (all perfect squares less than 30) and P = (all odd numbers from 1 to 10). Find Q ∩ P.

A(1, 4, 9, 16, 25)
B(1, 3, 4, 5, 7, 9, 16, 25)
C(1, 3, 5, 7, 9)
D(1, 9)
EΦ
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Question 918
waec 1988
Cotonou and Niamey are on the same line of longitude and Niamey is 7o north of Cotonou. If the radius of the earth is 6400km, how far is Niamey north of Cotonou along the line of longitude, correct to the nearest kilometer? [Take π = 22/7]
A391km
B503km
C782km
D1006km
E2012km
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Question 919
waec 1988

In the diagram above, PR is perpendicular from P to QS, PQ = 2cm, QR = 1cm and PR = RS. what is the size of the angle QPS?

A135o
B105o
C90o
D75o
E60o
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Question 920
waec 1988

A rope of length 18m is used to form a sector of a circle of radius 3.5m on a school playing field. What is the size of the angle of the sector, correct to the nearest degree?

A33o
B40o
C90o
D180o
E270o
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