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CBSE Class 9 Answered

The paint in a certain container is sufficient to paint an area equal to 74295 cm2. How many bricks of dimensions 19.5 cm × 11 cm × 6.5 cm can be painted out of this container?
Asked by Topperlearning User | 23 Aug, 2017, 01:11: PM
answered-by-expert Expert Answer

Given: length (l)=19.5 cm, breadth(b)=11 cm and height(h)=6.5 cm

Surface area of the brick= 2{(19.5 × 11) + (11 × 6.5) + (19.5 × 6.5)} cm2

                                                    = 825.50 cm2

Let “N” number of bricks be painted by the given amount of paint.

Thus, N×825.50=74295

Answered by | 23 Aug, 2017, 03:11: PM

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