The barrel of a fountain pen cylindrical in a shape is 7cm long an 0.5cm in diameter . A full barrel of a ink in the pen can be used for writing 275 words in average > how many words can be writen using a bottle of ink containg 1/4
of a litre .....pi=22/7
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Answer:
=48000 words
Step-by-step explanation:
volume of ink barrel = pi r^2 h
=22/7 × 5/20 ×5/20×7
=11/8cmcube
11/8 cm cube can write 330 words
then 200cm cube can write
330×8/11 ×200
=30 ×8×200
=48000 words
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