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 71: Find correct to 3 decimal places ( + ) - (0.05 x 2.05)
Options:
A) 99.998
B) 98.999
C) 89.899
D) 9.998
Show Answer
The correct answer is A .
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Question 72: If y = x2 - x - 12, find the range of values of x for which y 0
Options:
A) x < -3 0r x > 4
B) x -3 or x 4
C) -3 < x 4
D) -3 x 4
Show Answer
The correct answer is C .
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Question 73:
If + = 1. Make y the subject of the relation.
Options:
A)
B)
C)
D)
Show Answer
The correct answer is A .
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Question 74:
In the figure, XR and YQ are tangents to the circle YZXP if ZXR = 45o and YZX = 55o, Find ZYQ
Options:
A) 135o
B) 125o
C) 100o
D) 90o
Show Answer
The correct answer is A .
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Question 75:
In a class of 40 students, 32 offer Mathematics, 24 offer Physics and 4 offer neither Mathematics nor Physics. How many offer both Mathematics and Physics?
Options:
A) 4
B) 8
C) 16
D) 20
Show Answer
The correct answer is D .
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Question 76: The operation * on the set R of real number is defined by x * y = 3x + 2y − 1, find 3* − 1
Options:
A) 9
B) - 9
C) 6
D) - 6
Show Answer
The correct answer is C .
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Question 77:
Find the compound interest (CI) on ₦15,700 for 2 years at 8% per annum compounded annually.
Options:
A) ₦6,212.48
B) ₦2,834.48
C) ₦18,312.48
D) ₦2,612.48
Show Answer
The correct answer is D .
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Question 78: Simplify log101.5 + 3 log102 − log100.3
Options:
A) log104
B) log1040
C) log10-40
D) log104-
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The correct answer is B .
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Question 79: Evaluate x2(x2 - 1)- - (x2 - 1)
Options:
A) (x2 - 1)-
B) (x2 - 1)1
C) (x2 - 1)
D) (x2 - 1)-1
Show Answer
The correct answer is A .
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Question 80: Evaluate (212)3 - (121)3 + (222)3
Options:
A) (313)3
B) (1000)3
C) (1020)3
D) (1222)3
Show Answer
The correct answer is C .