Mathematics Past Questions

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Past Questions

4,407 questions
Question 1 of 20 4,407 total questions
Question 1601
waec 1995

Solve the following simultaneous equations: x+ y = 3/2; x - y = 5/2 and use your result to find the value of 2y + x

A-2
B-1
C1/2
D1
E31/2
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Question 1602
waec 1995

Solve the equation (x +2)(x - 7) = 0

Ax = 1 or 8
Bx = -2 or 7
Cx = -4 or 5
Dx = -3 or 6
Ex= -5 or -2
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Question 1603
waec 1995

Solve the equation 3x\(^2\) + 25x -18 = 0

A-3,2
B-2,3
C-2,9
D-9,2/3
E2/3, 9.
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Question 1604
waec 1995

If \(y \propto \frac{1}{x^2}\) and x = 3 when y = 4, find y when x = 2.

A1
B3
C9
D18
E21
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Question 1605
waec 1995

Factorize the expression x(a - c) + y(c - a)

A(a - c)(y - x)
B(a - c)(x - y)
C(a + c)(x - y)
D(a + c)(x + y)
E(a - c)(x + y)
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Question 1606
waec 1995

What is the smaller value of x for which x\(^2\) - 3x + 2= 0?

A1
B2
C3
D4
E5
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Question 1607
waec 1995

Solve the inequality: \(\frac{1}{3}(2x - 1) < 5\)

Ax < - 5
BX
CX
Dx
Ex < 16
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Question 1608
waec 1995

Which of the following could be the inequality illustrated in the sketch graph above?

Ay≥2x+3
By≤-3x+3
Cy < 3x+2
Dy≤x +3
Ey≥3x+2.
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Question 1609
waec 1995

Find the value(s) of x for which the expression is undefined: \(\frac{6x - 1}{x^2 + 4x - 5}\)

A+4 or+1
B-5 or +1
C-5 or -1
D+5 or -1
E\(\frac{1}{6}\)
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Question 1610
waec 1995

If R = [2, 4, 6, 7] and S = [1, 2, 4, 8], then R∪S equal

A[1,2,4,6,7,8]
B[1,2,4,7,8]
C[1,4.7,8]
D[2.6.7]
E[2.4]
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Question 1611
waec 1995
lf 16/9 , x, 1, y are in Geometric Progression (GP), find the product of x and y.
A9/16
B3/4
C1
D4/3
E16/6
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Question 1612
waec 1995
Find the nth term Un of the A.P., 11, 4, -3,....... .
AUn=19+7n
BUn=19-7n
CUn=18+7n
DUn= 18-7n
EUn= 17-7n
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Question 1613
waec 1995

By selling some crates of soft drinks for N600.00, a dealer makes a profit of 50%. How much did the dealer pay for the drinks?

AN1,200.00
BN900.00
CN450.00
DN400.00
EN200.00
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Question 1614
waec 1995
Given that log2a = log84, find a
A21/3
B42/3
C42/3
D22/3
E23
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Question 1615
waec 1995
Express 0.000834 in standard form
A8.34 x 10-4
B8.34 x 10-3
C8.34 x 103
D8.34 x 104
E8.34 x 106
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Question 1616
waec 1995
If three children shares N10.50 among themselves in ratio 6:7:8, how much is the largest share?
AN3.00
BN3.50
CN4.00
DN4.50
EN5.00
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Question 1617
waec 1995

Find (101\(_2\))\(^2\), expressing the answer in base 2.

A10101
B11001
C10010
D11101
E10110
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Question 1618
jamb 1995

The mean and the range of the set of numbers 1.20, 1.00, 0.90, 1.40, 0.80, 1.20, and 1.10 are m and r, respectively. Find m + r 

A1.11
B1.65
C1.85
D2.45
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Question 1619
jamb 1995

In the diagram, find PQ if the area of triangle PQR is 35cm\(^2\)

A7cm
B10cm
C14cm
D17cm
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Question 1620
jamb 1995
In the diagram, the base diameter is 14cm while the height is 12cm. Calculate the total surface area if the cylinder has both a base and a top.[\(\pi \frac{22}{7}\)]
A836cm2
B308cm2
C528cm2
D154cm2
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