A school provides milk to the students daily in cylindrical glasses of diameter 7 cm. If the glass is filled with milk upto height of 12 cm, find how many litres of milk is needed to serve 1000 students?
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Radius of cylinderal glass= 3.5cm
Height upto glass filled with milk=12cm
Volume of cylindral glass=
22/7*3.5*3.5*12
3234/7
462cm
Volume of 1 cylindral glass=462cm3
Volume of 1000cylindral glass=1000*462
=462000cm3
1000cm3 = 1 litre
462000cm3= 462 litre
Therefore 462 litres of milk is required to serve 1000 students
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