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Q.

The length, breadth and height of a godown are 15 m, 12 m and 9 m respectively. Cubic blocks of side 3 m are placed in the godown. Find how many blocks can be placed in the godown.


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a

50

b

60

c

70

d

80 

answer is B.

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Detailed Solution

Given, l=15 m, b=12 m, h=9 m
Volume of godown (V)=l×b×h
=15×12×9
=180×9
=1620 m3 
Volume of a cubic block of side 3 m =3×3×3=27 m3
Number of blocks in a godown =volume of godownvolume of paper block=167027=60
 
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