Question

if a train runs at 40kmph it reaches its destination later by 11 minutes. but if it runs at 50kmph it is later by 5 minutes only. find the distance To be covered by the train ​

Answer 1

Let the correct time for the train to complete the journey is x minuets

Then train cover distance in x+11 minuets at speed 40 km\hr = 60 /40(x+11)km

Then train cover distance in x+5 minuets at speed 50 km\hr =

60

50(x+5)

km

Both are same then

60

40(x+11)

=

60

50(x+5)

∴40x+440=50x+250

∴−10x=−190

∴x=19 minutes

Answer 2

Answer:

Given :

Speed of train is  and its late by 11 min

                         or

In other case it's also given speed of train is  and late by 5 min

Let the train covered 'd' km distance.

The journey let it took 't' time.

We have difference in late of time

Hence , the distance to be covered by the train is 20 km .

Step-by-step explanation:

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