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 491: What is the mean of the data t, 2t-1, t-2, 2t-1, 4t and 2t+2?
Options:
A) 2t
B) 2t-1
C) 2/3t+1
D) 2t-1/3
Show Answer
The correct answer is D .
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Question 492: Simplify 3 - 2 +
Options:
A) 1
B) -1
C) 1
D) 1
E) 1
Show Answer
The correct answer is D .
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Question 493: A straight lie y = mx meets the curve y = x2 - 12x + 40 in two distinct points. If one of them is (5, 5) find the other
Options:
A) (5, 6)
B) (8, 8)
C) (8, 5)
D) (7,7)
E) (7, 5)
Show Answer
The correct answer is E .
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Question 494: The probability of a student passing any examination is 2/3. If the students takes three examination, what is the probability that he will not pass any of them
Options:
A) 2/3
B) 4/9
C) 8/27
D) 1/27
Show Answer
The correct answer is D .
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Question 495: 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 496: Evaluate
Options:
A)
B)
C)
D)
Show Answer
The correct answer is D .
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Question 497: The midpoint of the segment of the line y = 4x + 3 which lies between the x-ax 1 is and the y-ax 1 is
Options:
A) (, )
B) (, )
C) (, )
D) (-, )
Show Answer
The correct answer is D .
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Question 498:
The venn diagram above shows the numbers of students offering music and history in a class of 80 students. If a student is picked at random from the class, what is the probability that he offers Music only?
Options:
A) 0.38
B) 0.13
C) 0.50
D) 0.25
Show Answer
The correct answer is D .
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Question 499: The value of (0.03)3 - (0.02)3 is
Options:
A) 0.019
B) 0.0019
C) 0.00019
D) 0.000019
E) 0.000035
Show Answer
The correct answer is D .
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Question 500:
In a group of 500 people, 350 people can speak English, and 400 people can speak French. Find how many people can speak both languages.
Options:
A) 750
B) 850
C) 250
D) 150
Show Answer
The correct answer is C .