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 201:
If , find the value of x.
Options:
A) x = -4
B) x = 2
C) x = -2
D) x = 4
Show Answer
The correct answer is A .
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Question 202: A trader goes to Ghana for y days with y cedis. For the first x days, he spends X cedis per day. The amount he has to spend per day for the rest of his stay is
Options:
A) cedis
B) cedis
C) cedis
D) cedis
E) cedis
Show Answer
The correct answer is E .
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Question 203: If y = 3 sin(-4x), dy/dx is
Options:
A) 12x cos (4x)
B) -12x cos (-4x)
C) -12 cos (-4x)
D) 12 sin (-4x)
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The correct answer is C .
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Question 204: if (x - 1), (x + 1) and (x - 2) are factors of the polynomial ax3 + bx2 + cx - 1, find a, b, c in that order.
Options:
A) -1/2, 1., 1/2
B) 1/2, 1, 1/2
C) 1/2, 1, -1/2
D) 1/2, -1, 1/2
Show Answer
The correct answer is A .
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Question 205:
Factorize
Options:
A) (a + b)(a − b)
B) (a − 2 + b)(a − 2 − b)
C) (a + 1)(a − 2 + b)
D) (a + b)2
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The correct answer is B .
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Question 206: Find the number of sides of a regular polygon whose interior angle is twice the exterior angle.
Options:
A) 6
B) 2
C) 3
D) 8
Show Answer
The correct answer is A .
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Question 207:
Find the area bounded by the curves y = 4 - x2 and y = 2x + 1
Options:
A) 20(1/3) sq. units
B) 20(2/3) sq. units
C) 10(2/3) sq. units
D) 10(1/3) sq. units
Show Answer
The correct answer is C .
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Question 208:
The pie chart above shows the distribution of the crops harvested from a farmland in a year. If 3000 tonnes of millet is harvested, what amount of beans is harvested
Options:
A) 6000 tonnes
B) 1500 tonnes
C) 1200 tonnes
D) 9000 tonnes
Show Answer
The correct answer is C .
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Question 209:
Convert 0.04945 to two significant figures
Options:
A) 0.040
B) 0.049
C) 0.050
D) 0.49
Show Answer
The correct answer is B .
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Question 210: the derivative of cosec x is
Options:
A) tan x cosec x
B) -cot x cosec x
C) tan x sec x
D) -cot x sec x
Show Answer
The correct answer is B .