A cuboidal oil tin is 30 cm by 40 cm by 50cm.Find the cost of the tin required for making 20 such tins if cost of tin sheet is Rs20 per square metre
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Step-by-step explanation:
tsa of cuboid=2(lb+bh+lh)
2(30×40+40×50+50×30)
2(120+200+150)
2×470
940cm²
cost of 20 tin sheet for rs20 per sheet
20×940
18,800rs
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