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In the diagram, QR//ST, /PQ/ = /PR/ and < PST = 75o. Find the value of y
A105o
B110o
C130o
D150o
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Question 372
waec2010
What is the value of m in the diagram?
A20o
B30o
C40o
D50o
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Question 373
waec2010
The bar chart shows the marks distribution in am English test. What percentage of the students had marks ranging from 35 to 50?
A55\(\frac{1}{3}\)%
B60%
C65%
D66\(\frac{2}{3}\)%
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Question 374
waec2010
The bar chart shows the marks distribution in am English test. If 50% is the pass mark, how many students passed the test?
A100
B85
C80
D70
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Question 375
waec2010
In the diagram, < PSR = 220o, < SPQ = 58o and < PQR = 41o. Calculate the obtuse angle QRS.
A90o
B100o
C121o
D60o
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Question 376
waec2010
In an athletic composition, the probability that an athlete wins a 100m race is \(\frac{1}{8}\) and the probability that he wins in high jump is \(\frac{1}{4}\). What is the probability that he wins only one of the events?
A\(\frac{3}{32}\)
B\(\frac{7}{3}\)
C\(\frac{5}{3}\)
D\(\frac{5}{16}\)
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Question 377
waec2010
The mean of the numbers 2, 5, 2x and 7 is less than or equal to 5. Find the range of the values of x
Ax \(\leq\) 3
Bx \(\geq\) 3
Cx < 3
Dx > 3
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Question 378
waec2010
If x km/h = y m/s, then y =
A\(\frac{7}{18}\)x
B\(\frac{11}{20}\)x
C\(\frac{4}{15}\)x
D\(\frac{5}{18}\)x
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Question 379
waec2010
If x2 + kx + \(\frac{16}{9}\) is a perfect square, find the value of k
A\(\frac{8}{3}\)
B\(\frac{7}{3}\)
C\(\frac{5}{3}\)
D\(\frac{2}{3}\)
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Question 380
waec2010
If the sum of the roots of the equation (x - p)(2x + 1) = 0 is 1, find the value of x
A1\(\frac{1}{2}\)
B\(\frac{1}{2}\)
C-\(\frac{3}{2}\)
D-1\(\frac{1}{2}\)
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Question 381
waec2010
The subtraction below is in base seven. Find the missing number.
5 1 6 2seven
-2 6 4 4seven
--------
2 * 1 5
--------
A2
B3
C4
D5
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Question 382
waec2010
What is the value of x when y = 5?
y = \(\frac{1}{2}\) x + 1
A8
B9
C10
D11
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Question 383
waec2010
\(\begin{array}{c|c} x & 0 & 2 & 4 & 6\\ \hline y & 1 & 2 & 3 & 4\end{array}\).
The table is for the relation y = mx + c where m and c are constants. What is the equation of the line described in the tablet?
Ay = 2x
By = x + 1
Cy = x
Dy = \(\frac{1}{2}x + 1\)
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Question 384
waec2010
The mean age of R men in a club is 50 years, Two men aged 55 and 63, left the club and the mean age reduced by 1 year. Find the value of R
A18
B20
C22
D28
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Question 385
waec2010
Bola sold an article for N6,900.00 and made a profit of 15%. If he sold it for N6,600.00 he would make a
Aprofit of 13%
Bloss of 12%
CProfit of 10%
Dloss of 5%
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Question 386
waec2010
How many times, correct to the nearest whole number, will a man run round circular track of diameter 100m to cover a distance of 1000m?
A3
B4
C5
D6
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Question 387
waec2010
The nth term of the sequence -2, 4, -8, 16.... is given by
ATn = 2n
BTn = (-2)n
CTn = (-2n)
DTn = n
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Question 388
waec2010
If y = \(\frac{(2\sqrt{x^2 + m})}{3N}\), make x the subject of the formular
A\(\frac{\sqrt{9y^2 N^2 - 2m}}{3}\)
B\(\frac{\sqrt{9y^2 N^2 - 4m}}{2}\)
C\(\frac{\sqrt{9y^2 N^2 - 3m}}{2}\)
D\(\frac{\sqrt{9y^2 N - 3m}}{2}\)
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Question 389
waec2010
The sum of the exterior of an n-sided convex polygon is half the sum of its interior angle. find n
