Quantitative Aptitude - Arithmetic Ability Questions

Q:

The co-ordinates of the centroid of a triangle ABC are (3,-2). What are the co-ordinates of vertex C if co-ordinates of A and B are (-2,5) and (6,-2) respectively?

A) (-5,-9) B) (5,-9)
C) (5,9) D) (-5,9)
 
Answer & Explanation Answer: B) (5,-9)

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0 1501
Q:

If a+1a2 = 3, then the value of  a3+1a3 is

A) 0 B) a
C) 1/a D) 1
 
Answer & Explanation Answer: A) 0

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Q:

What is the area (in sq cm) of a circle whose circumference is 22 cm?

A) 77 B) 38.5
C) 44 D) 88
 
Answer & Explanation Answer: B) 38.5

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2 1500
Q:

What is the value of sin(11π/6)?

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

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Q:

If 3x ­- 2(4 ­- 3x) < 2x ­- 5 < 3x + 3; then the value of x is

A) 1 B) 2
C) 5 D) 0
 
Answer & Explanation Answer: D) 0

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Q:

If the ratio of marked price and selling price is 11 : 10, then what is the discount percentage?

A) 11.11 B) 17.28
C) 12.5 D) 9.09
 
Answer & Explanation Answer: D) 9.09

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Q:

If 7x ­- 5y = 13 and 2x -­ y = 5, then (x -­ y) is

A) 3 B) 4
C) 5 D) 1
 
Answer & Explanation Answer: D) 1

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Q:

In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If S divides PQ in the ratio 1:5 and length of QR is 15 cm, find ST?

A) 2.4 cm B) 3.6 cm
C) 2.5 cm D) 5.6 cm
 
Answer & Explanation Answer: C) 2.5 cm

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Filed Under: Ratios and Proportions
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1 1500