Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.
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Question 221: A student spent 1/5of his allowance on books, 1/2 of remainder on food and kept the rest for contingencies. What fraction was kept?
Options:
A) 7/15
B) 8/15
C) 2/5
D) 4/5
Show Answer
The correct answer is C .
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Question 222: Two chords PQ and RS of a circle intersected at right angles at a point inside the circle. If ∠QPR = 35o,find ∠PQS
Options:
A) 35o
B) 45o
C) 55o
D) 70o
E) 90o
Show Answer
The correct answer is C .
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Question 223: Seven years ago, the age of a father was three times than that of his son, but in six years time the age of the son will be half that of his father, representing the present ages of the father and so by x and y, respectively, the two equations relating x and y are
Options:
A) 3y - x = 0; 2y - x = 0
B) 3y - x = 14; x - 2y = 6
C) 3y - x =7; x - 2y = 6
D) 3y - x = 14; y - 2x = 6
E) x + 3y = 7; x = 2y = 12
Show Answer
The correct answer is B .
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Question 224:
The bar chart above shows the marks obtained by students in a mathematics test.
How many students in all took the test?
Options:
A) 40
B) 30
C) 10
D) 20
Show Answer
The correct answer is A .
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Question 225: The graph of f(x) = x2 - 5x + 6 crosses the x-axis at the points
Options:
A) (-6, 0), (-1, 0)
B) (-3, 0), (-2,0)
C) (-6, 0),(1, 0)
D) (2, 0), (3, 0)
Show Answer
The correct answer is D .
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Question 226:
A poultry farmer realized 200 eggs from his birds and sold 5 crates of eggs. What percentages of eggs are left?
Options:
A) 82.5%
B) 15%
C) 17.5%
D) 85%
Show Answer
The correct answer is C .
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Question 227: If line p = 5x + 3 is parallel to line p = wx + 5. Find the value of w.
Options:
A) 7
B) 3
C) 6
D) 5
Show Answer
The correct answer is D .
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Question 228:
From the table above, if the pass mark is 5, how many students failed the test?
Options:
A) 6
B) 2
C) 9
D) 7
Show Answer
The correct answer is C .
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Question 229:
A student is using a graduated cylinder to measure the volume of water and reports a reading of 18 mL. The teacher reports the value as 18.4 mL. What is the student's percent error?
Options:
A) 2.17%
B) 1.73%
C) 2.23%
D) 1.96%
Show Answer
The correct answer is A .
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Question 230: If the function f is defined by f(x + 2) = 2x2 + 7x = 5, find f(-1)
Options:
A) -10
B) -8
C) 4
D) 10
Show Answer
The correct answer is B .