Q7Short answerExercise 13.3
cm. If the glass is filled with milk upto an height of 12 cm, find how many litres of milk is needed to serve 1600 students. 7. A cylindrical roller 2.5 m in length, 1.75 m in radius when rolled on a road was found to cover the area of 5500 m2. How many revolutions did it make?
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200 revolutions