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 381:
If (x - a) is a factor of bx - ax + x2, find the other factor.
Options:
A) (x + b)
B) (x - b)
C) (a + b)
D) (a - b)
Show Answer
The correct answer is A .
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Question 382: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135°
Options:
A) 271.5cm2
B) 135.8cm2
C) 96.0cm2
D) 48.0cm2
E) 33.9cm2
Show Answer
The correct answer is E .
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Question 383:
Two numbers are respectively 35% and 80% more than a third number. The ratio of the two numbers is
Options:
A) 7 : 16
B) 3 : 4
C) 16 : 7
D) 4 : 3
Show Answer
The correct answer is B .
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Question 384: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number
Options:
A) 2
B) 3
C) 4
D) 5
E) 6
Show Answer
The correct answer is B .
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Question 385: Find the simple interest on ₦325 in 5years at 3% per annum.
Options:
A) ₦48.75K
B) ₦50.10K
C) ₦75.50K
D) ₦15.75K
Show Answer
The correct answer is A .
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Question 386:
A sector of a circle of radius 7.2cm which subtends an angle of 300° at the centre is used to form a cone. What is the radius of the base of the cone?
Options:
A) 8cm
B) 6cm
C) 9cm
D) 7cm
Show Answer
The correct answer is B .
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Question 387:
The table above shows the number of pupil in each age group in a class. What is the probability that a pupil chosen at random is at least 11 years old?
Options:
A)
B)
C)
D)
Show Answer
The correct answer is C .
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Question 388:

The pie chart above shows the monthly distribution of a man's salary on food items. If he spent ₦8,000 on rice, how much did he spent on yam?
Options:
A) ₦42,000
B) ₦18,000
C) ₦16,000
D) ₦12,000
Show Answer
The correct answer is C .
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Question 389:
p =
q =
pq is equivalent to
Options:
A) ppT
B) pp-1
C) qp
D) pp
Show Answer
The correct answer is A .
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Question 390:

In the diagram above, PST is a straight line, PQ = QS = RS. If ∠RST = 72, find x
Options:
A) 36
B) 18
C) 72
D) 24
Show Answer
The correct answer is D .