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 1461: In a class of 120 students, 18 of them scored an A grade in mathematics. If the section representing the A grade students on a pie chart has angle Zo at the centre of the circle, what is Z?
Options:
A) 15
B) 27
C) 50
D) 52
E) 54
Show Answer
The correct answer is E .
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Question 1462: A pipe made of metal 10cm thick has an external radius of 11cm. find the area of metal in making 2.4cm of pipe
Options:
A) 21πcm2
B) 21πcm2
C) 15πcm2
D) 17πcm2
Show Answer
The correct answer is B .
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Question 1463:

Find the mean of the distribution above
Options:
A) 1
B) 2
C) 3
D) 4
Show Answer
The correct answer is C .
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Question 1464:

In the diagram above calculate the value of x
Options:
A) 60
B) 100
C) 120
D) 140
Show Answer
The correct answer is C .
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Question 1465: What value of Q will make the expression 4x2 + 5x + Q a complete square?
Options:
A)
B)
C)
D)
Show Answer
The correct answer is A .
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Question 1466:

From the cyclic quadrilateral TUVW above, find the value of x
Options:
A) 26
B) 24
C) 20
D) 23
Show Answer
The correct answer is B .
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Question 1467: A side of a rhombus is 2cm in length. An angle of the rhombus is 60o. What is the length of the diagonal facing this angle?
Options:
A) 2cm
B) 8cm
C) 4cm
D) 2cm
E) 16cm
Show Answer
The correct answer is D .
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Question 1468: Find the variance of 2x, 2x-1 and 2x+1
Options:
A) 2/3
B) 2
C) √(2/3)
D) 1
Show Answer
The correct answer is A .
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Question 1469:

The table above shows the scores of a group of students in a physics test. If the mode is m and the number of students who scored 4 or more is n, what is (n, m)?
Options:
A) (33, 4)
B) (22, 4)
C) (33, 12)
D) (12, 4)
Show Answer
The correct answer is A .
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Question 1470: Make t the subject of formula S = ut +
Options:
A)
B)
C)
D)
Show Answer
The correct answer is A .