1
Q:

Which of the following statement is CORRECT about the tangents?

 

A) The tangents drawn at the end of diameter of a circle are parallel to each other.   B) The line segment which joins the point of contact of two parallel tangents to the circle is the diameter of the circle.  
C) Tangents drawn from the external points subtends equal angle at the center.   D) All option are correct.  

Answer:   D) All option are correct.  



Explanation:
Subject: Volume and Surface Area
Exam Prep: Bank Exams
Q:

Find the total surface area (in cm2) of a hemisphere of diameter 21 cm.

 

A) 1039.5   B) 844.5  
C) 637   D) 472
 
Answer & Explanation Answer: A) 1039.5  

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2 20166
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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3 899
Q:

Find the total surface area (in cm2) of a hemisphere of diameter 21 cm.

 

A) 1039.5   B) 844.5  
C) 637   D) 472
 
Answer & Explanation Answer: A) 1039.5  

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2 25643
Q:

A spherical glass vessel has a cylindrical neck 7 cm long and 4 cm in diameter. The diameter of the spherical part is 21 cm. Find the quantity of water it can hold.

 

A) 4929 cub.cm B) 4939 cub.cm
C) 4932 cub.cm D) 4930 cub.cm
 
Answer & Explanation Answer: B) 4939 cub.cm

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2 939
Q:

Find the total surface area (in cm2) of a right circular cylinder of diameter 7 cm and height 6 cm.

 

A) 187   B) 209  
C) 163   D) 149
 
Answer & Explanation Answer: B) 209  

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0 20584
Q:

Find the volume (in cm³) of a cube of side 4.5 cm.

 

A) 55.467   B) 14.445  
C) 91.125   D) 26.465
 
Answer & Explanation Answer: C) 91.125  

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2 39916
Q:

The volume of a hemisphere is 89.83 cm³. Find its diameter (in cm).

 

A) 3.5 B) 7
C) 14 D) 10.5
 
Answer & Explanation Answer: B) 7

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0 36403
Q:

Find the volume (in cub.cm) of a hemisphere of diameter 28 cm.

 

A) 4789.67   B) 3675  
C) 2732 D) 5749.33
 
Answer & Explanation Answer: D) 5749.33

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1 20664