Quantitative Aptitude - Arithmetic Ability Questions

Q:

The co-ordinates of the centroid of a triangle ABC are (-1,-2) what are the co-ordinates of vertex C, if co-ordinates of A and B are (6,-4) and (-2,2) respectively?

A) (-7,-4) B) (7,4)
C) (7,-4) D) (-7,4)
 
Answer & Explanation Answer: A) (-7,-4)

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Q:

A sum becomes 1.69 times of itself in 2 years when invested at compound interest. What is the per annum rate of interest (in percentage)?

A) 38 B) 34.5
C) 13 D) 30
 
Answer & Explanation Answer: D) 30

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Q:

What is the slope of the line parallel to the line passing through the points (5, -1) and (4, -4)?

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

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Filed Under: Volume and Surface Area
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Q:

What is the slope of the line perpendicular to the line passing through the points (­-4,5) and (3,­-2)?

A) 2 B) 3/7
C) -3/7 D) 1
 
Answer & Explanation Answer: D) 1

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Filed Under: Volume and Surface Area
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Q:

The total surface area of a cube is 73.5 sq.cm. Find its side (in cm).

A) 3.5 B) 4.5
C) 7.5 D) 5.5
 
Answer & Explanation Answer: A) 3.5

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Q:

In a triangle ABC, ∠A = 70°, ∠B = 80° and D is the incentre of ΔABC. ∠ACB = 2x° and ∠BDC = y°. The values of x and y, respectively are

A) 15, 130 B) 15, 125
C) 35, 40 D) 30, 150
 
Answer & Explanation Answer: B) 15, 125

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Q:

In a triangle the length of the side opposite the right angle is 6 cm, what is the length of the side opposite to the angle which measures 30°?

A) 3 cm B) 3√3 cm
C) 3/2 cm D) (3/2)√3 cm
 
Answer & Explanation Answer: A) 3 cm

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Q:

The length of the two adjacent sides of a rectangle inscribed in a circle are 5 cm and 12 cm respectively. Then the radius of the circle will be

A) 6 cm B) 6.5 cm
C) 8 cm D) 8 .5 cm
 
Answer & Explanation Answer: B) 6.5 cm

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