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 611: A man is paid r naira per hour for normal work and double rate for overtime. if he does a 35-hour week which includes q hours of overtime, what is his weekly earning in naira?
Options:
A) r(35 + q)
B) q(35r - q)
C) q(35 + r)
D) r(35 + 2q)
Show Answer
The correct answer is D .
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Question 612:
Evaluate Log 8√2
Options:
A) 3.0
B) 4.5
C) 3.5
D) 2.5
Show Answer
The correct answer is C .
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Question 613: If x + 2 and x - 1 are factors of the expression 1x3 + 2kx2 + 24, find the values of 1 and K
Options:
A) 1 = -6, k = -9
B) 1 = -2, k = 1
C) k = -1, 1 = -2
D) 1 = 0, k = 1
E) k = 0,1 = 6
Show Answer
The correct answer is A .
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Question 614: If cos = and is less than 90o. Calculate cos
Options:
A)
B)
C)
D) 4
Show Answer
The correct answer is A .
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Question 615:
From the venn diagram above, the complement of the set PQ is given by
Options:
A) {a, b, d, e}
B) {b, d}
C) {a, e}
D) {c}
Show Answer
The correct answer is D .
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Question 616: Arrange and ,, and in ascending order of magnitude.
Options:
A) , , ,
B) , , ,
C) , , ,
D) , , ,
Show Answer
The correct answer is B .
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Question 617: A binary operation is defined on a set of real numbers by x y = xy for all real values of x and y. If x 2 = x. Find the possible values of x
Options:
A) 0, 1
B) 1, 2
C) 2, 2
D) 0, 2
Show Answer
The correct answer is A .
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Question 618:
Divide the L.C.M of 48, 64 and 80 by their H.C.F.
Options:
A) 20
B) 30
C) 48
D) 60
Show Answer
The correct answer is D .
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Question 619: In a regular polygon, each interior angle doubles its corresponding exterior angle. Find the number of sides of the polygon.
Options:
A) 8
B) 6
C) 4
D) 3
Show Answer
The correct answer is B .
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Question 620:
In the diagram, PTS is a tangent to the circle TQR at T. Calculate < RTS
Options:
A) 120
B) 70
C) 60
D) 40
Show Answer
The correct answer is B .