Surface Areas&Volumes
Asked by ravikiran | 9th Jan, 2010, 01:00: PM
Volume of the barrel of pen = r2H = (22/7) x (2.5)2 x (7) = 137.5 cm3
1000 cm3 = 1 litre
1 cm3 = 1/ 1000 litre
137.5 cm3 = (137.5/ 1000) litre.
(137.5/ 1000) litre of ink can be used to write 310 words.
1/5 lite of ink can write = (310 x 1000)/ (137.5 x 5)
= 451 words (approx)
Answered by | 9th Jan, 2010, 02:27: PM
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