Home » Aptitude » Speed, Time and Distance » Question
  1. A train covers a certain distance in 210 minutes at a speed of 60 kmph. The time taken by the train, to cover the same distance at a speed of 80 kmph is :
    1. 3
      5
      hours
      8
    2. 2
      5
      hours
      8
    3. 4
      5
      hours
      8
    4. 3 hours
Correct Option: B

Speed of train = 60 kmph
Time = 210 minutes

=
210
hours
60

or  
7
hours
2

Distance covered = 60 ×
7
= 210 km
2

Time taken at 80 kmph =
210
=
21
hours
808

= 2
5
hours
8


Second Method :
Here, S1 60, t1 =
210
hrs
60

S2 = 80, t2 = ?
S1t1 = S2t2
60 ×
210
= 80 × t2
60

t2 = 2
5
hrs
8


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