CBSE Class 9 Answered
The paint in a certain container is sufficient to paint an area equal to 9.375 m2. How many bricks of dimension 22.5 cm 
10 cm7.5 cm can be painted out of this container?
10 cm7.5 cm can be painted out of this container?
Asked by Topperlearning User | 21 Feb, 2014, 12:42: PM
Expert Answer
Surface area of one brick = 2(l 
b + b h + h l)
= 2(22.510 + 107.5 + 7.522.5) cm2
= 2[225 + 75 + 168.75] cm2
= 2[300 + 168.75] cm2
= 937.5 cm2
Number of bricks that can be painted =
= 100
Answered by | 21 Feb, 2014, 02:42: PM
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