A Factory manufactors 13000 pencis daily the pencils are cyclindrical and shape each of length 25cm and circumference 1.5cm determine the cost of coloring the curved surface of the pencils manufacted in 1 day at 0.10 per decimetre?
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Answer:
Step-by-step explanation:
Circumference of circle =2πr=1.5
Curved surface area of cylinder =2πrh=1.5(25)=37.5cm
2
1 dm =10 cm
Curved surface =0.375dm
2
One day pencil area in dm
2
=120000(0.375)=45000
Cost of colouring =0.05(45000)= Rs.2250
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