A passenger train of length 60   m travels at a speed of 80   km / hr . Another freight train of…

A passenger train of length 60 m travels at a speed of 80 km/hr. Another freight train of length 120 m travels at a speed of 30 km/hr. The ratio of times taken by the passenger train to completely cross the freight train when: (i) they are moving in the same direction, and (ii) in the opposite directions is:
  1. 52
  2. 32
  3. 115
  4. 2511

Solution

t1=260+12080-30

t2=260+12080+30

t1t2=115

Asked in: JEE Main 2019 (12 Jan Shift 1)

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