Speed is 6/7 and distance is30km/h then distance is ?
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Answer:
When speed is 30 km/hr he reaches 10 minutes late when Speed is 40 km/hr he reaches 5 minutes earlier.
Let Distance be D and T=D/S
30
D
−
40
D
=15minor
60
15
hr
120
4D−3D
=
60
15
D=30 km
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