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The barrel of a fountain-pen, cylindrical in shape, is 7 cm long and 5 mmin diameter. If with a full barrel of ink, on an average 330 words can bewritten, then how many words would use up a bottle of ink containingone-fifth of a litre ?

John George , 9 Years ago
Grade
anser 1 Answers
Harsh Patodia

Last Activity: 9 Years ago


Volume of barrel pi*r2h= 1.375 cm3
1 l = 1000 cm3
1/5th l will be 200 cm3
No of words = 200/ 1.375 cm3
= approx 145 words

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