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 461:
find the range of values of values of r which satisfies the following inequality, where a, b and c are positive + + > 1
Options:
A) r >
B) r < abc
C) r > + +
D) r <
Show Answer
The correct answer is A .
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Question 462: In 1984, Ike was 24 yrs old and his father was 45 yrs old. In what year was Ike exactly half his father's age?
Options:
A) 1981
B) 1979
C) 1982
D) 1978
Show Answer
The correct answer is A .
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Question 463: A trader realizes 10x - x2 naira profit from the sale of x bags on corn. How many bags will give him the desired profit?
Options:
A) 4
B) 5
C) 6
D) 7
Show Answer
The correct answer is B .
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Question 464: Two brothers invested a total of ₦5,000.00 on a farm project, the farm yield was sold for ₦15,000.00 at the end of the season. If the profit was shared in the ratio 2 : 3, what is the difference in the amount to profit received by the brothers?
Options:
A) ₦2,000.00
B) ₦4,000.00
C) ₦6,000.00
D) ₦10,000.00
Show Answer
The correct answer is A .
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Question 465: The vectors a and b are given in terms of two perpendicular units vectors i and j on a plane by a = 2i - 3j, b = -i + 2j. Find the magnitude of the vector a + 3b
Options:
A) 2
B) 4
C)
D) 35
E) 2.2
Show Answer
The correct answer is C .
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Question 466: Express as decimal correct to 3 significant figures.
Options:
A) 20.6
B) 20.667
C) 20.67
D) 20.7
Show Answer
The correct answer is B .
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Question 467: Rationalize 5 ÷ (2 − √3)
Options:
A) 3(2 + √5)
B) 2(3 + √5)
C) 5(2 + √3)
D) 3 √2 + 1
Show Answer
The correct answer is C .
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Question 468: Find the exterior angle of a 12 sided regular polygon
Options:
A) 12
B) 24
C) 25
D) 30
Show Answer
The correct answer is D .
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Question 469:
The pie chart above illustrate the amount of private time a student spends in a week studying various subjects. Find the value of k
Options:
A) 90
B) 60
C) 30
D) 40
Show Answer
The correct answer is C .
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Question 470:
Find the median of 2, 3, 7, 3, 4, 5, 8, 9, 9, 4, 5, 3, 4, 2, 4 and 5
Options:
A) 9
B) 8
C) 7
D) 4
Show Answer
The correct answer is D .