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 431: The binary operation defined on the set of real numbers is such that x y = for all x, y R. Find the inverse of 20 under this operation when the identity element is 6
Options:
A)
B)
C)
D)
Show Answer
The correct answer is B .
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Question 432: Evaluate (3 - 2x)dx
Options:
A) 33m
B) 5
C) 2
D) 6
Show Answer
The correct answer is C .
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Question 433:
The triangle PQR above is
Options:
A) an obtuse-angled triangle
B) a scalene triangle
C) an isosceles triangle
D) an equilateral triangle
Show Answer
The correct answer is C .
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Question 434: Substract 164189 from 186309
Options:
A) 11219
B) 21129
C) 21139
D) 22119
Show Answer
The correct answer is D .
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Question 435:
Find the median age of the frequency distribution in the table above.
Options:
A) 20
B) 25
C) 30
D) 35
Show Answer
The correct answer is B .
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Question 436: Convert 2710 to another number in base three
Options:
A) 10013
B) 10103
C) 11003
D) 10003
Show Answer
The correct answer is D .
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Question 437: Differentiate (cos θ - sin θ)2
Options:
A) -2 cos 2θ
B) -2 sin2θ
C) 1 - 2 cos 2θ
D) 1 - 2 sin 2θ
Show Answer
The correct answer is A .
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Question 438:
The table above show the marks obtained in a given test.
Find the mean mark
Options:
A) 3.1
B) 3.0
C) 3.2
D) 3.3
Show Answer
The correct answer is D .
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Question 439: Factorize r2 - r(2p + q) + 2pq
Options:
A) (r - 2q)(2r - p)
B) (r - p)(r + p0
C) (r - q)(r - 2p)
D) (2r - q)(r + p)
Show Answer
The correct answer is C .
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Question 440: Factorize 6x2 - 14x - 12
Options:
A) 2(x + 3)(3x - 2)
B) 6(x - 2)(x + 1)
C) 2(x - 3)(3x + 2)
D) 6(x + 2)(x - 1)
E) (3x - 4)(2x + 3)
Show Answer
The correct answer is C .