जॉइन Examsbookउत्तर : 4. "50 sec"
How much time will a train of length 200 m moving at a speed of 72 kmph take to cross another train of length 300 m, moving at 36 kmph in the same direction ?5
प्र: How much time will a train of length 200 m moving at a speed of 72 kmph take to cross another train of length 300 m, moving at 36 kmph in the same direction ?
- 158 secfalse
- 262 secfalse
- 360 secfalse
- 450 sectrue
- उत्तर देखें
- Workspace
उत्तर : 4. "50 sec"
व्याख्या :
Answer: D) 50 sec Explanation: The distance to be covered = Sum of their lengths = 200 + 300 = 500 m. Relative speed = 72 -36 = 36 kmph = 36 x 5/18 = 10 mps. Time required = d/s = 500/10 = 50 sec.