CBSE Class 10 Answered
abdul travelld 300 km by train and 200 km by taxi in took him5 hours 30 min but .If he travel 260 km by train 240 km by taxi we take 6 min longer find speed of train and taxi.
Asked by mukul rao | 17 Jun, 2013, 01:08: PM
Expert Answer
Let the speed of train and taxi be x km/hr and y km/hr respectively.
Now,
time taken by train to cover 300 km
and time taken by taxi to cover 200 km
also
total time taken = 5 hours 30 minutes
also time taken by train to cover 260 km
time taken by taxi to cover 240 km
and total time taken = 5 hours 30 minutes + 6 minutes
= 5 hours 36 minutes
Putting and in (1) and (2) we get
600 u + 400 v = 11 ... (3)
325 u + 300 v = 7 ... (4)
Solving (3) and (4)
? x = 100 and y = 80
Hence the speed of the train is 100 km/hr
and the speed of the taxi is 80 km/hr
Answered by | 17 Jun, 2013, 05:00: PM
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