जॉइन Examsbookउत्तर : 3. "41 sec"
In what time a 360 m. long train moving at the speed of 44 km/hr will cross a 140 m. long bridge ?5
प्र: In what time a 360 m. long train moving at the speed of 44 km/hr will cross a 140 m. long bridge ?
- 136 secfalse
- 239 secfalse
- 341 sectrue
- 443 secfalse
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उत्तर : 3. "41 sec"
व्याख्या :
Answer: C) 41 sec Explanation: Speed = 44 kmph x 5/18 = 110/9 m/s We know that, Time = distance/speed Time = (360 + 140) / (110/9) = 500 x 9/110 = 41 sec.