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The diameter of the roller 1.5 m long is 84 cm if it takes 100 revolutions to level a playground, find the cost of levelling this ground at the rate of 50 paise per square metre. (m2) |
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Answer» The diameter of the roller 1.5 m long is 84 cm if it takes 100 revolutions to level a playground, find the cost of levelling this ground at the rate of 50 paise per square metre. (m2) |
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