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(CBSE SP 20111 The diameter of a road roller is 70 cm and its length is 1 m 50 cm complete revolutions to level the surface. Find the cost of levelling the surface at the rate of 75 per 100 m2

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Q1

a road roller is 140 cm long.it's diameter is 84 cm.it takes 1000 complete revolutions once over to level the road.find the cost of levelling the road at rs.50 per 100 sq.m.

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Q2

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