The barres of on ink pen fill cylindrical in shape is 7cm long and 5mm diameter up ink in this pen from1 liter ink bottle . How many times a child fill ink pen. If he has used the bottle
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diameter=5/10 cm,so radius=5/20=1/4
length=7cm(given).so volume of the cylindrical pen=π1/16×7=7π/16cm³.but volume of the ink bottle=1000cm³.
so ur answer is 1000/the volume of pen.
length=7cm(given).so volume of the cylindrical pen=π1/16×7=7π/16cm³.but volume of the ink bottle=1000cm³.
so ur answer is 1000/the volume of pen.
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