A circular disc of area 0.64 π m 2 roll down a length of 1.408 km. The number of revolutions it makes is: (take π = 22/7)

SSC CGL 6 Mar 2020 Shift 1 Paper

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A circular disc of area 0.64 π m² roll down a length of 1.408 km. The number of revolutions it makes is: (take π = 22/7)

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