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Q:

The sum of the lengths of the edges of a cube is equal to the perimeter of a square. If the numerical value of the volume of the cube is equal to the numerical value of the area of the square, then the length of one side of the square is

A) 30 units B) 9 units
C) 27 units D) 12 units
 
Answer & Explanation Answer: C) 27 units

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Filed Under: Area
Exam Prep: Bank Exams

Q:

By volume, 21% of air is _______________.

 

A) hydrogen B) oxygen
C) nitrogen D) carbon dioxide
 
Answer & Explanation Answer: B) oxygen

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Filed Under: Chemistry
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Q:

Find the volume (in cm3) of a right circular cone of diameter 7 cm and height 7 cm.

 

A) 69.06   B) 16.43  
C) 11.15   D) 89.83
 
Answer & Explanation Answer: D) 89.83

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

Q:

Find the volume (in cm3) of a hemisphere of diameter 7 cm.

 

A) 77   B) 63  
C) 89.83   D) 54.13
 
Answer & Explanation Answer: C) 89.83  

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Filed Under: Volume and Surface Area
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Q:

If the edge of a cube is increased by 3 cm, the volume will increase by 657 cub.cm. What then is the original length of each edge of the cube?

A) 9 cm B) 6 cm
C) 8 cm D) 7 cm
 
Answer & Explanation Answer: B) 6 cm

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Filed Under: Volume and Surface Area
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Q:

The volume of a right circular cone, whose radius of the base is half of its altitude, and the volume of a hemisphere are equal. The ratio of the radius of the cone to the radius of the hemisphere is

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

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Filed Under: Ratios and Proportions
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Q:

From a solid cube of side 7 cm, a conical cavity of height 7 cm and radius 3 cm is hollowed out. Find the volume of remaining solid?

A) 272 cub.cm B) 270 cub.cm
C) 300 cub.cm D) 277 cub.cm
 
Answer & Explanation Answer: D) 277 cub.cm

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Filed Under: Volume and Surface Area
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Q:

Which of the following is NOT based on principle of relationship between volume and pressure of air?

A) Fountain pen B) Bicycle pump
C) Hand pump D) Pulley
 
Answer & Explanation Answer: D) Pulley

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Filed Under: Physics
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