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CBSE Class 8 Answered

The dimensions of a cuboidal tin box are 30 cm x 40 cm x 50 cm. Find the cost of the tin required for making 20 such tin boxes if the cost of tin sheet is Rs 25 per square meter.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

Therefore, Surface area of 20 such tins = 20 x 9400

= 188000 cm2

Hence, cost of 18.8 m2 tin sheet = Rs(18.8 x 25) = Rs 470.

Answered by | 04 Jun, 2014, 03:23: PM

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