Question

cuboiodal metal box measures 3m by 5m by 6m. Find the cost of polishing its sides at the costof ₹ 20 per m2


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Answer 1

Answer:

2(lb+bh+hl)

2(3×5 + 5×6 + 6×3)

2(15+30+18)

2(63)

126 m²

126 × 20 = 2520 rs