Question

the barrel of a fountain pen, cylindrical in shape, is 7 cm long and 5 mm in diameter
A full barrel of ink in the pen will be used up when writing 310 words on an average
How many words would use up a bottle of ink containing one-fifth of a litre?
Answer correct to the nearest 100 words.
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Answer 1

Answer:

48000

Step-by-step explanation:

ANSWER

Volume of a barrel =

7

22

×0.25×0.25×7=1.375 cm

3

Volume of ink in the bottle =

5

1

litre =

5

1000

=200 cm

3

Therefore, total number of barrels that can be filled from the given volume of ink =

1.375

200

So, required number of words =

1.375

200

×330=48000

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