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 191: The locus of a point P which moves on one side only of a straight line XY so that ∠XPY = 90 is
Options:
A) a circle
B) a semicircle
C) an arc of a circle through X, Y
D) the perpendicular bisector of XY
Show Answer
The correct answer is B .
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Question 192:
A trader realises 10x - x Naira profit from the sale of x bags of corn. How many bags will give him the maximum profit?
Options:
A) 7
B) 6
C) 5
D) 4
Show Answer
The correct answer is C .
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Question 193: if X = {all perfect squares less than 40} and y = {all odd numbers from 1 to 15}, find X ∩ Y
Options:
A) {9, 25}
B) {3, 9}
C) {1, 9}
D) {9}
Show Answer
The correct answer is C .
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Question 194:
Make x the subject of the formula:y =
Options:
A) x =
B) x =
C) x =
D) x =
Show Answer
The correct answer is D .
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Question 195: Simplify ()
Options:
A)
B)
C)
D)
Show Answer
The correct answer is B .
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Question 196:
If = m + n √ 6, find the values of m and n respectively.
Options:
A) 1, − 2
B) − 2, n = 1
C) , 1
D)
Show Answer
The correct answer is B .
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Question 197: THe cost of renovating a 6 m square room is N540. What is the cost of renovating a 9 m square room?
Options:
A) N1215
B) N720
C) N1620
D) N810
Show Answer
The correct answer is D .
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Question 198: If the length of a square is increased by 20% while while its width is decreased by 20% to form a rectangle, what is the ratio of the area of the rectangle to the area of the square?
Options:
A) 6 : 5
B) 25 : 24
C) 5 : 6
D) 24 : 25
Show Answer
The correct answer is D .
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Question 199:
Evaluate
Options:
A) 4
B) -32
C) -8
D) 16
Show Answer
The correct answer is C .
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Question 200: Find the area of the figure bounded by the given pair of curves y = x2 - x + 3 and y = 3
Options:
A) 17/6 units (sq)
B) 7/6 units (sq)
C) 5/6 units (sq)
D) 1/6 units (sq)
Show Answer
The correct answer is A .