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InterviewSolution
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"A rectangular field is 72 m by 58 m. Amar walksround it at the rate of 3 km per hour. What timewill he take in taking 2 rounds.100 m How |
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Answer» aDimensions of a rectangular field= 72cm y 58cmperimeter of the rectangular field= 2( l+b ) =2×( 72+58) = 2×130 = 260cm∴ Distance taken by Amar in taking two rounds= 2×260m = 520mSpeed of Amar= 3km/hr =3×1000/3000 m/sec = 5/6 m/secTotal time taken by Amar to cover the distance= Distance/speed = 520/5/6 = 520×5/6 = 104×6 = 104×6/60 min. = 10.4 min. Hope this helps you!! |
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