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rajdani express moves at the speed of 120 km/h . how long will it take to cover a distance of 15 km  
Asked by abhilashlambu | 10 Apr, 2020, 08:08: PM
answered-by-expert Expert Answer
Time = distance / speed = 15 km / 120 km hr-1  = ( 1/8 ) hr  = ( 1/8 ) × 60 min  = 7.5 min = 7 min 30 s
Answered by Thiyagarajan K | 10 Apr, 2020, 08:14: PM

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