Mathematics Past Questions

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45 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10
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Past Questions

45 questions
Question 1 of 20 45 total questions
Question 11
jamb 1984
A cone is formed by bending a sector of a circle having an angle of 210o. Find the radius of the base of the cone if the diameter of the circle is 12cm.
A12cm
B7.00cm
C1.75cm
D21cm
E3.50cm
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Question 12
jamb 1984
If (x - 2) and (x + 1) are factors of the expression x3 + px2 + qx + 1, what is the sum of p and q
A9
B-3
C3
D\(\frac{17}{3}\)
E\(\frac{2}{3}\)
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Question 13
jamb 1984

Find a factor which is common to all three binomial expressions 4a2 - 9b2, 8a3 + 27b3, (4a + 6b)2

A4a + 6b
B4a - 6b
C2a + 3b
D2a - 3b
Enone
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Question 14
jamb 1984

The quadratic equation whose roots are 1 - \(\sqrt{13}\) and 1 + \(\sqrt{13}\) is?

Ax2 + (1 - \(\sqrt{13}\)x + 1 + \(\sqrt{13}\) = 0
Bx2 - 2x - 12 = 0
Cx2 - 2x + 12 = 0
Dx2 + 12 + 2x2 = 0
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Question 15
jamb 1984

If f(x) = 2(x - 3)\(^2\) + 3(x - 3) + 4 and g(y) = \(\sqrt{5 + y}\), find g [f(3)] and f[g(4)].

A3 and 4
B-3 and 4
C-3 and -4
D3 and -4
E0 and 5
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Question 16
jamb 1984

Tunde and Shola can do a piece of work in 18 days. Tunde can do it alone in x days, whilst Shola takes 15 days longer to do it alone. Which of the following equations is satisfied by x?

Ax2 - 5x - 10 = 0
Bx2 - 20x + 360 = 0
Cx2 - 21x - 270 = 0
D3x2 - 65x + 362 = 0
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Question 17
jamb 1984
If 2x + 3y = 1 and x - 2y = 11, find (x + y)
A5
B-3
C8
D2
E-2
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Question 18
jamb 1984

In a racing competition, Musa covered a distance 5x km in the first hour and (x + 10)km in the next hour. He was second to Nzozi who covered a total distance of 118km in the two hours. Which of the following inequalities is correct?

A-1 < x < x < 0
B-3 < x < 3
C0 \(\leq\) x < 18
D15 < x < 18
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Question 19
jamb 1984
The table below is drawn for a graph y = x3 - 3x + 1
\(\begin{array}{c|c} x & -3 & -2 & -1 & 0 & 1 & 2 & 3 \\\hline y = x^3 - 3x + 1 & 1 & -1 & 3 & 1 & -1 & 3 & 1\end{array}\)
From x = -2 to x = 1, the graph crosses the x-axis in the range(s)
A-1 < x < 0 and 0 < x < 1
B-2 < x < -1 and 0 < x < 1
C-2 < x < -1 and -1 < x < 0
D0 < x < 1
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Question 20
jamb 1984

A straight line y = mx meets the curve y = x2 - 12x + 40 in two distinct points. If one of them is (5, 5) find the other

A(5, 6)
B(8, 8)
C(8, 5)
D(7,7)
E(7, 5)
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Question 21
jamb 1984

Factorize 6x2 - 14x - 12

A2(x + 3)(3x - 2)
B6(x - 2)(x + 1)
C2(x - 3)(3x + 2)
D6(x + 2)(x - 1)
E(3x - 4)(2x + 3)
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Question 22
jamb 1984

p varies directly as the square of q and inversely as r. If p = 36, when q = 3, when r = 4, find p when q = 5 and r = 2.

A72
B100
C90
D200
E125
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Question 23
jamb 1984

Simplify \(\frac{3^n - 3^{n - 1}}{3^3 \times 3^n - 27 \times 3^{n - 1}}\)

A1
B6
C\(\frac{1}{27}\)
D\(\frac{4}{3}\)
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Question 24
jamb 1984

Rationalize \(\frac{5\sqrt{7} - 7\sqrt{5}}{\sqrt{7} - \sqrt{5}}\)

A-2 \(\sqrt{35}\)
B4\(\sqrt{7}\) - 6\(\sqrt{5}\)
C-\(\sqrt{35}\)
D4\(\sqrt{7}\) - 8\(\sqrt{5}\)
E\(\sqrt{35}\)
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Question 25
jamb 1984
A trader in country where their currency 'MONI'(M) is in base five bought 1035 oranges at M145 each. If he sold the oranges at M245 each, what will be his gain?
A1035
B10305
C1025
D20025
E30325
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Question 26
jamb 1984
A variable point p(x, y) traces a graph in a two-dimensional plane. (0, 3) is one position of P. If x increases by 1 unit, y increases by 4 units. The equation of the graph is
A-3 = \(\frac{y + 4}{x + 1}\)
B4y = -3 + x
C\(\frac{y}{x}\) = \(\frac{-3}{4}\)
D4x = y + 3
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Question 27
jamb 1984

Find, without using logarithm tables, the value of \(\frac{log_3 27 - log_{\frac{1}{4}} 64}{log_3 \frac{1}{81}}\)

A\(\frac{-3}{9}\)
B\(\frac{-3}{2}\)
C\(\frac{6}{11}\)
D\(\frac{43}{78}\)
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Question 28
jamb 1984

Bola choose at random a number between 1 and 300. What is the probability that the number is divisible by 4?

A\(\frac{1}{4}\)
B\(\frac{4}{4}\)
C\(\frac{6}{4}\)
D\(\frac{7}{4}\)
E\(\frac{37}{149}\)
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Question 29
jamb 1984

The cost of production of an article is made up as follows: Labour N70, Power N15, Materials N30, Miscellaneous N5. Find the angle of the sector representing Labour in a pie chart

A210o
B105o
C105o
D175o
E90o
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Question 30
jamb 1984

Thirty boys and x girls sat for a test. The mean of the boys' scores and that of the girls were respectively 6 and 8. Find x if the total scores was 468

A38
B24
C36
D22
E41
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