find the cost of painting of the outer surface of a closed box which is 60cm long 40cm broad and 30 cm high at the rate of 50 paise per 20cm2
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5
Answer:
sol.
given
length of cuboid or closed box=60cm
breadth of cuboid =40cm
height of cuboid =30cm
so volume is=l×b×h=60cm×40cm×30cm
so volume =72,000cm cube
cost of painting =72,000 cm cube×50 paise=3,600,000
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1
Answer:
36000000 is your answer
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