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In the diagram, MQ//RS, < TUV = 70o and < RLV = 30o. Find the value of x
A150o
B110o
C100o
D95o
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Question 692
waec2012
The diagram is a circle centre O. If < SPR = 2m and < SQR = n, express m in terms of n
Am = \(\frac{n}{2}\)
Bm = 2n
Cm = n - 2
Dm = n + 2
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Question 693
waec2012
In the diagram, O is a circle centre of the circle PQRS and < PSR = 86o. If < PQR = xo, find x
A108o
B172o
C130o
D50o
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Question 694
waec2012
In the diagram, |QR| = 10m, |SR| = 8m
< QPS = 30o, < QRP = 90o and |PS| = x, Find x
A1.32m
B6.32m
C9.32m
D17.32
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Question 695
waec2012
If x and y are variables and k is a constant, which of the following describes an inverse relationship between x and y?
Ay = kx
By = \(\frac{k}{x}\)
Cy = k\(\sqrt{x}\)
Dy = x + k
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Question 696
waec2012
If x and y are variables and k is a constant, which of the following describes an inverse relationship between x and y?
Ay = kx
By = \(\frac{k}{x}\)
Cy = k\(\sqrt{x}\)
Dy = x + k
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Question 697
waec2012
Factorise completely: 32x2y - 48x3y3
A16x2y(2 - 3xy2)
B8xy(4x - 6x2y2)
C8x2y(4 - 6xy2)
D16xy(2x - 3x2y2)
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Question 698
waec2012
A side and a diagonal of a rhombus are 10cm and 12cm respectively, Find its area
A20cm2
B24cm2
C48cm2
D96cm2
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Question 699
waec2012
The volume of a cuboid is 54cm3. If the length, width and height of the cuboid are in the ratio 2:1:1 respectively, find its total surface area
A108cm2
B90cm2
C80cm2
D72cm2
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Question 700
waec2012
Find the coefficient of m in the expression of (\(\frac{m}{2} - 1 \frac{1}{2}\)) (m + \(\frac{2}{3}\))
A-\(\frac{1}{6}\)
B- \(\frac{1}{2}\)
C-1
D-1\(\frac{1}{6}\)
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Question 701
waec2012
The sum of the interior angles of regular polygon is 1800o. How many sides has the polygon?
A16
B12
C10
D8
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Question 702
waec2012
Solve (\(\frac{27}{125}\))-\(\frac{1}{3}\) x (\(\frac{4}{9}\))\(\frac{1}{2}\)
A\(\frac{10}{9}\)
B\(\frac{9}{10}\)
C\(\frac{2}{5}\)
D\(\frac{12}{125}\)
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Question 703
waec2012
Alfred spent \(\frac{1}{4}\) of his money on food, \(\frac{1}{3}\) on clothing and save the rest. If he saved N72000.00, how much did he spend on food?
AN43,200.00
BN43,000.00
CN42,200.00
DN40,000.00
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Question 704
waec2012
If p = {prime factors of 210} and Q = {prime less than 10}, find p \(\cap\) Q
A{1,2, 3}
B{2, 3, 5}
C{1, 3, 5,7}
D{2,3,5,7}
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Question 705
waec2012
Express 3 - [\(\frac{x - y}{y}\)] as a single fraction
A\(\frac{3xy}{y}\)
B\(\frac{x - 4y}{y}\)
C\(\frac{4y - x}{y}\)
D3 - \(\frac{x - y}{y}\)
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Question 706
waec2012
If x + 0.4y = 3 and y = \(\frac{1}{2}\)x, find the value of (x + y)
A1\(\frac{1}{4}\)
B2\(\frac{1}{2}\)
C3\(\frac{3}{4}\)
D5
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Question 707
waec2012
Which of these statements about y = \(\sqrt{8m}\) is correct?
Alog y = log 8 x log \(\sqrt{m}\)
Blog y = 3 log 2 x \(\frac{1}{2}\) log m
Clog y = 3 log 2 - \(\frac{1}{2}\) log m
Dlog y = \(\frac{3}{2}\) log 2 + \(\frac{1}{2}\) log m
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Question 708
waec2012
A bag contains 4 red and 6 black balls of the same size. If the balls are shuffled briskly and two balls are drawn one after the other without replacement, find the probability of picking balls of different colours
A\(\frac{8}{15}\)
B\(\frac{13}{25}\)
C\(\frac{11}{15}\)
D\(\frac{13}{15}\)
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Question 709
waec2012
Given that the mean of the scores 15, 21, 17, 26, 18 and 29 is 21, calculate the standard deviation of the scores
A\(\sqrt{10}\)
B4
C5
D\(\sqrt{30}\)
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Question 710
waec2012
A kite flies on a taut string of length 50m inclined at tan angle 54o to the horizontal ground. The height of the kite above the ground is
