Quantitative Aptitude - Arithmetic Ability Questions

Q:

 What is the value of (sin60° - 2/√3) ?

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

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Q:

(0.2 x 0.2 x 0.2)(0.06 x 0.06 x 0.06) / (0.12 x 0.12 x 0.12) = ?

A) 0.008 B) 0.001
C) 0.002 D) 0.006
 
Answer & Explanation Answer: B) 0.001

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Q:

The angles of elevation of the top of a tower 72 metre high from the top and bottom of a building are 30° and 60° respectively. What is the height (in metres) of building?

A) 42 B) 20√3
C) 24√3 D) 48
 
Answer & Explanation Answer: D) 48

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Filed Under: Height and Distance
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Q:

The orthocentre of a triangle is the point where

A) the medians meet B) the altitudes meet
C) the right bisectors of the sides of D) the bisectors of the angles
 
Answer & Explanation Answer: B) the altitudes meet

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Filed Under: Volume and Surface Area
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Q:

What is the area (in sq cm) of a regular hexagon of side 14 cm?

A) 147√3 B) 441√3
C) 196√3 D) 294√3
 
Answer & Explanation Answer: D) 294√3

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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:

The bar graph shows the annual sales of the different departments of a company. Study the diagram and answer the following questions

What is the ratio of the annual sales of department B to that of department F?

A) 12:7 B) 7:12
C) 12:5 D) 5:12
 
Answer & Explanation Answer: A) 12:7

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Q:

Kaushik bought a toy for Rs. 160 and sold it for Rs. 180. The rate of profit was ___%.

A) 12.5 B) 16
C) 17.5 D) 15.25
 
Answer & Explanation Answer: A) 12.5

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Filed Under: Profit and Loss
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