Priyanka running at 10 km/hr in a 200 m race giving Ritu a start of 32 metres, beats her by 12 seconds. At what speed Ritu is running?
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Explanation: Time taken by Priyanka = 200/10x18/5 = 72 seconds. Distance covered by Ritu = (200 – 32) = 168 m. Time taken by Ritu to cover that distance = (72 + 12) = 84 seconds. Speed of Ritu = 168/84x18/5 = 7.2 km/hr
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Step-by-step explanation:
=> Time taken by Priyanka = 200/10x18/5 = 72 seconds.
=> Distance covered by Ritu = (200 – 32) = 168 m.
=> Time taken by Ritu to cover that distance = (72 + 12) = 84 seconds.
=> Speed of Ritu = 168/84x18/5 = 7.2 km/hr
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