1
Q:

If x - y = -6 and x + y = 16, then x2- y2 is?

A) 96 B) -96
C) 22 D) -22

Answer:   B) -96



Explanation:
Q:

cosA/(1 -­ sin A) is equal to

A) (secA -­ tanA) B) (secA + tanA)
C) √[(secA + tanA)] D) √[(secA -­ tanA)]
 
Answer & Explanation Answer: B) (secA + tanA)

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0 3
Q:

3cosA is equal to

A) 4cos3A + 3cosA B) 4cos3A - 3cosA
C) 3cos3A + 3cosA D) 3cos3A - 3cosA
 
Answer & Explanation Answer: B) 4cos3A - 3cosA

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0 13
Q:

3cosA is equal to

A) 4cos3A + 3cosA B) 4cos3A - 3cosA
C) 3cos3A + 3cosA D) 3cos3A - 3cosA
 
Answer & Explanation Answer: B) 4cos3A - 3cosA

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0 3
Q:

What is the value of cos 11π/6?

A) -1/√2 B) -√3/2
C) 2/√3 D) √3/2
 
Answer & Explanation Answer: D) √3/2

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0 2
Q:

Which of the following points lies on the line 3x -­ 4y = ­-13?

A) (­5,­7) B) (­-5,­7)
C) (­5,­-7) D) (­-5,­-7)
 
Answer & Explanation Answer: A) (­5,­7)

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0 13
Q:

If 5 -­ x > 1 + 3x and 5 + 5x ≥ 2 + 2x; then x can take which of the following values?

A) 2 B) -2
C) 3 D) 0
 
Answer & Explanation Answer: D) 0

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0 7
Q:

Coefficient of x in (x + 11)(3 -­ 5x) is _____.

A) 33 B) -5
C) 3 D) -52
 
Answer & Explanation Answer: D) -52

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0 7
Q:

Two fractions are such that their product is ­2/5 and sum is 1/15. What are the two fractions.

A) 4/3, ­-3/10 B) 2/7, -­7/5
C) 4/7, ­-7/10 D) 2/3, ­-3/5
 
Answer & Explanation Answer: D) 2/3, ­-3/5

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0 8