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 501: Find the number of ways of selecting 6 out of 10 subjects for an examination
Options:
A) 128
B) 216
C) 215
D) 210
Show Answer
The correct answer is D .
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Question 502: If f(x) = 2(x - 3)2 + 3(x - 3) + 4 and g(y) = 5 + y, find g [f(3)] and f[g(4)].
Options:
A) 3 and 4
B) -3 and 4
C) -3 and -4
D) 3 and -4
E) 0 and 5
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The correct answer is A .
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Question 503: Find the radius of a sphere whose surface area is 154 cm2
Options:
A) 7.00 cm
B) 3.50 cm
C) 3.00 cm
D) 1.75 cm
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The correct answer is B .
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Question 504: Evaluate
Options:
A) 16
B) 13
C) 12
D) 11
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The correct answer is D .
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Question 505: What is log7(49a) - log10(0.01)?
Options:
A)
B) + 2
C) 72a + 2
D) 2a + 2
E)
Show Answer
The correct answer is D .
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Question 506: If cos(x + 40)o = 0.0872, what is the value of x?
Options:
A) 85o
B) 75o
C) 65o
D) 45o
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The correct answer is D .
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Question 507: If , express r in terms of p, s and t
Options:
A)
B)
C)
D)
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The correct answer is A .
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Question 508: U is inversely proportional to the cube of V and U = 81 when V = 2. Find U when V = 3
Options:
A) 24
B) 27
C) 32
D) 36
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The correct answer is A .
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Question 509:
The maximum value of the function
F(x) = 2 + x - x2 is
Options:
A) 9/4
B) 7/4
C) 3/2
D) 1/2
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The correct answer is A .
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Question 510:
A sector of circle of radius 7.2cm which substends an angle of 300 at the centre is used to form a cone. What s the radius of the base of the cone?
Options:
A) 8cm
B) 9cm
C) 6cm
D) 7cm
Show Answer
The correct answer is C .