Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 3x -­ 7 = 5x ­- 1, then the numerical value of (x ­- 4)2 is 

A) 1 B) 49
C) -1 D) -49
 
Answer & Explanation Answer: B) 49

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Q:

Reciprocal of 235?

A) 235 B) 532
C) 513 D) 335
 
Answer & Explanation Answer: C) 513

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Q:

The co-ordinates of the centroid of a triangle ABC are (1 , -4). What are the co-ordinates of vertex C if co-ordinates of A and B are (3 , -4) and (0 , 5) respectively?

A) (0 , 13) B) (0, 5)
C) (0, -5) D) (0 , -13)
 
Answer & Explanation Answer: D) (0 , -13)

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Q:

What is the slope of the line parallel to the line passing through the points (-2, -1) and (4, -3)?

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

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Q:

A line passing through the origin perpendicularly cuts the line 3x - 2y = 6 at point M. Find M?

A) (18/13, 12/13) B) (18/13, -12/13)
C) (-18/13, -12/13) D) (-18/13, 12/13)
 
Answer & Explanation Answer: B) (18/13, -12/13)

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Q:

If aq-r+br-p-cp-q, then find the value of (pa + qp + rc) is

A) 0 B) 1
C) 2 D) -1
 
Answer & Explanation Answer: A) 0

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Q:

Find the products : 0.5 x 0.05 x 0.005 x 500

A) 0.0625 B) 0.00625
C) 0.06255 D) 0.625
 
Answer & Explanation Answer: A) 0.0625

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Q:

If √(1+tan2A) = x, then the value of x is

A) sinA B) cosecA
C) secA D) cosA
 
Answer & Explanation Answer: C) secA

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