If a person covers 20 km at 5 km per hour then he is 40 minutes late. If he walks at 8 km per hour then how much before he can reach?
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Person will reach 50 minute before
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Time taken by the man = 20km/(5km/h) = 4 h
A/q
ideal time = 4*60 min - 40 min
=200 min
=200 /60 h
=3 h 20 min
Time taken by him if he walks 8 km/h= 20 km/(8km/h) = 2.5h = 2 h 30 min
Therefore he reach to his destination in 3 h 20 min - 2 h 30 min = 50 min
A/q
ideal time = 4*60 min - 40 min
=200 min
=200 /60 h
=3 h 20 min
Time taken by him if he walks 8 km/h= 20 km/(8km/h) = 2.5h = 2 h 30 min
Therefore he reach to his destination in 3 h 20 min - 2 h 30 min = 50 min
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