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 131:
Find the standard deviation of the data using the table above
Options:
A) 5
B) \(\sqrt{6}\0
C)
D)
Show Answer
The correct answer is A .
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Question 132: Two distinct sectors in the same circle subtend 100 and 30 respectively at the centre of the circle. Their corresponding arcs are in the ratio
Options:
A) 1:100
B) 3:1
C) 5:2
D) 10:3
E) 13:30
Show Answer
The correct answer is D .
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Question 133: Determine x + y if =
Options:
A) 3
B) 4
C) 7
D) 12
Show Answer
The correct answer is C .
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Question 134:
If A = { 1, 2, 3, 4, 5, 6}, B = { 2, 4, 6, 8 }. Find (A B) ⋃ (B A).
Options:
A) {1, 3, 5, 8}
B) {8}
C) {1, 2, 3, 4, 5, 6, 8}
D) {1, 3, 5}
Show Answer
The correct answer is A .
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Question 135:
A room is 12m long, 9m wide and 8m high. Find the cosine of the angle which a diagonal of the room makes with the floor of the room.
Options:
A)
B)
C)
D)
Show Answer
The correct answer is A .
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Question 136:
If sin = and 0o < 90o, then find .
Options:
A)
B)
C)
D)
Show Answer
The correct answer is D .
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Question 137:
The pie chart above shows the expenditure of a family whose income is N30.000. If the expenditure on food is twice that on housing and that on school fees is twice that on transport, how much does the family spend on food?
Options:
A) N28,000
B) N12,500
C) N15,000
D) N25,000
Show Answer
The correct answer is B .
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Question 138:
Given that A = {1, 5, 7}
B = {3, 9, 12, 15}
C = {2, 4, 6, 8}
Find (A ∪ B) ∪ C
Options:
A) {1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15}
B) {1, 2, 3, 5, 6, 8, 12, 15}
C) {2, 4, 5, 9, 12, 15}
D) {1, 5, 6, 7, 8, 9, 12, 15}
Show Answer
The correct answer is A .
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Question 139: 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 140: Factorize abx2 + 8y - 4bx - 2axy
Options:
A) (ax - 4)(bx - 2y)
B) (ax + b)(x - 8y)
C) (ax - 2y)(bx - 4)
D) (bx - 4)(ax - 2y)
E) (abx - 4)(x - 2y)
Show Answer
The correct answer is A .