TLS Online TPP Program

#Question id: 7530


Two trains are moving in opposite directions at 72 km per hour and 90 km per hour . Their lengths are 500 m and 400 m respectively. the time taken by the Slower train to cross the faster train is

#General Aptitude
  1. 30 sec
  2. 20 sec
  3. 15 sec
  4. 18 sec