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P = {3, 9, 11, 13} and Q = {3, 7, 9, 15} are subset of the universal set ξ = {1, 3, 7, 9, 11, 13, 15} find PI ∩ QI
A{3, 9}
B{5, 7, 9}
C{1}
D{1, 11}
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Question 502
waec2005
which of the following statements describes the locus of a point R which moves in a plane such that its equidistant from two intersecting lines?
Athe bisector of the angle formed by the lines
Bthe point of intersection of the two lines
CA cone, with two intersecting lines as slant height
DA circle, with the point of intersection of the two lines as the center
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Question 503
waec2005
An arc of a circle of radius 14cm subtends angle 300o at the center. Find the perimeter of the sector formed by the arc
A14.67cm
B42.67cm
C101.33cm
D543.33cm
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Question 504
waec2005
What is the total surface area of a closed cylinder of height 10cm and diameter 7cm? [Take \(\pi = \frac{22}{7}\)]
A77cm2
B227cm2
C297cm2
D374cm2
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Question 505
waec2005
Find the mean of the numbers 1, 3, 4, 8, 8, 4 and 7
A4
B5
C6
D7
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Question 506
waec2005
Given that the root of an the equation \(2x^2 + (k+2)x+k=0\) is 2, find the value of k
A-4
B-2
C-1
D\(-\frac{1}{4}\)
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Question 507
waec2005
A sequence is given by \(2\frac{1}{2}, 5, 7\frac{1}{2}, .....\) if the nth term is 25, find n
A9
B10
C12
D15
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Question 508
waec2005
If \(log_9x= 1.5\),find x
A36
B27
C24.5
D13.5
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Question 509
waec2005
Solve the equation \(\frac{2y-1}{3} - \frac{3y-1}{4} = 1\)
A-8
B-13
C13
D19
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Question 510
waec2005
Solve the equation 2x - 3y = 22; 3x + 2y = 7
A-5
B-4
C4
D5
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Question 511
waec2005
What is the diameter of a circle of area 77cm2 [Take \(\pi = \frac{22}{7}\)]
A\(\frac{\sqrt{2}}{7}cm\)
B\(3\frac{1}{2}cm\)
C7cm
D\(7\sqrt{2}cm\)
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Question 512
waec2005
From a point R, 300m north of P, man walks eastward to a place Q which is 600m from P. Find the bearing of P from Q, correct to the nearest degreeee
A026o
B045o
C210o
D240o
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Question 513
waec2005
In the diagram, PQRS is a parallelogram and ∠QRT = 30o. Find x
A95o
B100o
C120o
D150o
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Question 514
waec2005
In the diagram PQ and MN are straight lines. Find the value of x
A13o
B17o
C28o
D30o
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Question 515
waec2005
The probability that John and James pass an examination are 3/4 and 3/5 respectively, find the probability of both boys failing the examination
A\(\frac{1}{10}\)
B\(\frac{3}{10}\)
C\(\frac{9}{20}\)
D\(\frac{11}{20}\)
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Question 516
waec2005
The lengths of the adjacent sides of a right - angled triangle are xcm, (x-1)cm. If the length of the hypotenuse is \(\sqrt{13}cm\), find the value of x
