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Total distance covered to and fro = 2 d
where d is the distance..
Now, average speed to = 40 km/hr
average speed fro=60km/hr
average speed for the round trip= 2d/d/40+d/60
= 48km/hr ( answer)
Hope u understand...
plz mark it as brainliest
where d is the distance..
Now, average speed to = 40 km/hr
average speed fro=60km/hr
average speed for the round trip= 2d/d/40+d/60
= 48km/hr ( answer)
Hope u understand...
plz mark it as brainliest
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