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 | 4th Jun, 2014, 01:23: PM

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  | 4th Jun, 2014, 03:23: PM