find the cost of painting the all round outer surface of the box with lid 60 cm long 40 cm wide and 30 cm at 50 paise per 20 CM square
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TSA of Box= 2(LB+BH+LH)
=2(2400+1200+1800)
=2(5400)
=10800 cm²
20cm²=50 paisa
1cm²=50/20 paisa
10800cm²=27000 Paisa
270 Rupees
=2(2400+1200+1800)
=2(5400)
=10800 cm²
20cm²=50 paisa
1cm²=50/20 paisa
10800cm²=27000 Paisa
270 Rupees
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