Postal or Sorting Assistants Model Paper 8 With Solutions

Question : 20 of 100

Marks: +1, -0

A train covers a distance of 10 km in 12 minutes. If its speed is decreased by 5 kmph. what is the time taken train to cover the same distance ?

Solution:

= {10km}/{12/60h}=50

km/h
Speed is decreased by 5 kmph then new Speed of the train will be 45 kmph
Time taken to cover 10km,t

=10/45=2/9

h
Time taken = 13min. 20 sec

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