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Rajesh can walk at 5m/s or cycle at 20m/s. He takes 45s to cover a distance of 600m using a combination of the two modes of transport. How long did Rajesh cycle?
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Rajesh can walk at 5m/s or cycle at 20m/s. He takes 45s to cover a distance of 600m using a combination of the two modes of transport. How long did Rajesh cyc
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They run from one end of the playground to the other end of the playground. They measure the time to complete the run. They repeat the run with umbrellas (a) Class 7 write down their results. no umbrella = 10 seconds with umbrella = 14 seconds no umbrella = 8 seconds with umbrella = 9 seconds no umbrella = 7 seconds with umbrella = 13 seconds no umbrella = 11 seconds with umbrella = 15 seconds Calculate the mean (average) times.
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