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a man has to cover a certain distance within 2 hour he found that half of the distance has covered in 1:30hrs with a speed of 60 km per hour then find the speed he has to increase in order to reach at the given time
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Answered by
0
Answer:
Explanation:
Let the man's speed be x km/hr.
Distance covered in 2 hours = 2x km
New speed = [x−
15
x
]km/hr=
15
14x
km/hr
Distance covered in 2 hours =
15
14x
×30= 28x km Given,30x−28x=10km ⇒ x=5km/hr
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Answer:
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A
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Explanation:
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