The length of a roller is 40 cm and its diameter is 21 cm. It takes 300 complete
utions to move ono over to level the floor of a room. Find the area of the room in meter square.
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The length of a roller is 40 cm and its diameter is 21 cm . It takes 300 revolution to move once over to level the floor of a room . Find the area of a room in meter square
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The length of a roller is 40 cm and its diameter is 21 cm. It takes 300 complete utions to move ono over to level the floor of a room. The area of the room in meter square...
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