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Q.

How much ice-cream can be put into a cone with base radius 3.5 cm   and height 12 cm  ?


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a

151 cm 3  

b

154  cm 3  

c

144  cm 3  

d

143  cm 3    

answer is B.

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Detailed Solution

Given-
r=3.5 cm h=12 cm  
Volume = 1 3 π r 2 h = 1 3 22 7 (3.5) 2 (12) = 3234 21 =154  cm 3  
Thus, 154  cm 3   ice-cream can be put into a cone.
Therefore, option 2 is the correct option.
 
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