Mathematics Past Questions

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

133 questions
Question 1 of 20 133 total questions
Question 51
jamb 2005

Evaluate \(\int_0^{\frac{\pi}{2}}sin2xdx\)

A1
Bzero
C-1/2
D-1
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Question 52
jamb 2005

Find the area of the figure bounded by the given pair of curves y = x\(^2\) - x + 3 and y = 3

A\(\frac{17}{6}\)units (sq)
B\(\frac{7}{6}\)units (sq)
C\(\frac{5}{6}\)units (sq)
D\(\frac{1}{6}\)units (sq)
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Question 53
jamb 2005

The maximum value of the function
f(x) = 2 + x - x\(^2\) is

A\(\frac{9}{4}\)
B\(\frac{7}{4}\)
C\(\frac{3}{2}\)
D\(\frac{1}{2}\)
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Question 54
jamb 2005
The radius r of a circular disc is increasing at the rate of 0.5cm/sec. At what rate is the area of the disc increasing when its radius is 6cm?
A36 π cm2/sec
B18 π cm2/sec
C6 π cm2/sec
D3 π cm2/sec
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Question 55
jamb 2005

Find the derivative of y = sin(2x\(^3\) + 3x - 4)

Acos (2x3 + 3x - 4)
B-cos (2x3 + 3x - 4)
C(6x2 + 3) cos (2x3 + 3x - 4)
D-(6x2 + 3) cos (2x3 + 3x - 4)
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Question 56
jamb 2005

If y = (1 - 2x)\(^3\), find the value of dy/dx at x = -1

A57
B27
C-6
D-54
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Question 57
jamb 2005
If sin θ = -1/2 for 0 < θ < 360o, the value of θ is
A30o and 150o
B150o and 210o
C210o and 330o
D150o and 330o
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Question 58
jamb 2005

A chord of a circle subtends an angle of 60o at the length of a circle of radius 14 cm. Find the length of the chord

A7 cm
B14 cm
C21 cm
D28 cm
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Question 59
jamb 2005
Find the equation of the perpendicular at the point (4,3) to the line y + 2x = 5
A2y - x = 4
By + 2x = 3
Cy + 2x = 5
D2y - x = 2
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Question 60
jamb 2005

Two lines PQ and ST intersect at 75°. The locus of points equidistant from PQ and ST lies on the

Aperpendicular bisector of PQ
Bperpendicular bisector of ST
Cbisector of the angles between lines PQ and ST
Dbisector of the angles between lines PT and QS
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Question 61
jamb 2005
Find the curved surface area of a cone with circular base diameter 10 cm and height 12 cm
A25 πcm2
B65 πcm2
C120 πcm2
D156 πcm2
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Question 62
jamb 2005

A sector of a circle has an area of 55 cm2. If the radius of the circle is 10 cm, calculate the angle of the sector
[π = 22/7]

A45o
B63o
C75o
D90o
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Question 63
jamb 2005

In the diagram above, O is the center of the circle,

∠UOT = 70º and ∠RST = 100º. Calculate ∠RUO.

A20o
B25o
C50o
D80o
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Question 64
jamb 2005
The sum of the interior angle of a regular polygon is 1800o. Calculate the size of one exterior angle of the polygon
A30o
B24o
C18o
D12o
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Question 65
jamb 2005
Three straight lines EF, GH and LK interest at O as shown above. If ∠KOF = 52o and ∠LOH = 85o, calculate the size of ∠EOG.
A26o
B43o
C52o
D85o
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Question 66
jamb 2005

An operation * is defined on the set of real numbers by a * b = ab + 2(a + b + 1). find the identity element

A2
B1
C-1
D-2
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Question 67
jamb 2005

Find the sum of the first 20 terms of the series 8, 12, 16, ....., 96

A1400
B1040
C960
D920
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Question 68
jamb 2005
If the 7th term of an AP is twice the third term and the sum of the first four terms is 42, find the common difference.
A6
B3
C2
D1
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Question 69
jamb 2005

The diagram above is the graph of the function f(x). Determine the range of values of x for which f(x) \(\leq\) 0

Ax \(\leq\) 2
B0 \(\leq\) x \(\leq\) 2
C-2 \(\leq\) x \(\leq\) 0, x \(\geq\) 2
Dx \(\leq\) -2, 0 \(\leq\) x \(\leq\) 2
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Question 70
jamb 2005
Find the range of values of x for which 7x - 3 > 25 + 3x
Ax >7
Bx
Cx>-7
Dx
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