A barrel of a fountain pen, cylindrical in shape, is 7cm long and 10mm in diameter. A full barrel of ink in the pen will be used up in writing 330 words at an average. How many words would use up a bottle of ink containing two-fifth of a litre?
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A full barrel of ink in the pen is used to write 3300 words on an average. We have to find the number of words that can be written in a bottle of ink containing one fifth of a litre. With 1.375 cm³ of ink, 3300 words can be written. Therefore, 480000 words can be written using 1/5 litre of ink in a bottle.
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