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 541:
P(-6, 1) and Q(6, 6) are the two ends of the diameter of a given circle. Calculate the radius.
Options:
A) 6.5 units
B) 13.0 units
C) 3.5 units
D) 7.0 units
Show Answer
The correct answer is A .
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Question 542:
Find the area of a regular hexagon inscribed in a circle of radius 8cm
Options:
A) 16 cm2
B) 96 cm2
C) 192 cm2
D) 16 cm2
E) 33cm2
Show Answer
The correct answer is B .
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Question 543: 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 544: Simplify √30 × √40
Options:
A) 10 √3
B) 5 √3
C) 20 √3
D) 15 √3
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The correct answer is C .
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Question 545: If -2 is the solution of the equation 2x + 1 - 3c = 2c + 3x - 7, find the value of c.
Options:
A) 4
B) 3
C) 2
D) 1
Show Answer
The correct answer is C .
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Question 546:
Find the value of x for which 2(32x-1) = 162
Options:
A) 5/2
B) 3/2
C) 2/5
D) 1/2
Show Answer
The correct answer is A .
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Question 547: If m * n = [mn − nm] for m, n belong to R, evaluate − 3 * 4
Options:
A) 3
B) 4
C) 5
D) 6
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The correct answer is C .
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Question 548: If the locus of the points which are equidistant from points P and Q meets line PQ at point N, then PN equals
Options:
A) 2NQ
B) NQ
C) NQ
D) NQ
Show Answer
The correct answer is B .
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Question 549:
Find x if the mean of 2x, 4x, 2x -13 and 6x is 4.
Options:
A) 1.5
B) 2.0
C) 1.0
D) 0.5
Show Answer
The correct answer is B .
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Question 550:
Determine the value of x in the figure.
Options:
A) 134
B) 81
C) 53
D) 46
Show Answer
The correct answer is A .