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Mathematics, 23.11.2020 09:30 Jennifer16253

Q.14 -A person covers a certain distance on scooter at a speed of 48 km/h. But comes back along the same path by car at a speed of 72 km/h. His average speed for the up and down journey is

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Q.14 -A person covers a certain distance on scooter at a speed of 48 km/h. But comes back along the...
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