Question

5 cubes of sides 6meach are placed side by side &stuck together to form cuboid if the outer surface is to be painted at ₹300 per metre square find the total cost of painting

Answer 1

hey mate,

When we will place cubes side by side then the length will be change and become 6*5 = 30 m while breadth and depth will be same 6 m each

Total surface area = 2(lb + bh + hl)

TSA = 2 ( 30*6 + 6*6 + 30*6)

TSA =2(180+36+180)

TSA = 2*396

TSA = 792 m square

Cost of painting = 300 per meter square

Total money = 792*300

Total money = 2376 rupees

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