the internal and external diameter of a hollow hemisphere vessel are 24cm and 25 cm respectively. the cost of painting 1 cm square from the surface is rs from the total cost of painting the vessel all over

 

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senthilkumar muniappan
Feb. 11, 2017, 6:40 a.m.

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Prachi Tiwari's image
Prachi Tiwari
Nov. 2, 2017, 2:31 p.m.
hello i am prachi from delhi
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