allery54 କିଲୋମିଟର / ଘଣ୍ଟାରେ 120 ମିଟର ଟ୍ରେନ୍ 180 ମିଟର ଟ୍ରେନକୁ ଅତିକ୍ରମ କରି 60 ସେକେଣ୍ଡରେ ସମାନ ମାର୍ଗରେ ଗତି କରେ | ଧୀର ଟ୍ରେନର ଗତି?
A36 km/h
B30 km/h
C40 km/h
D45 km/h
Answer & Solution
Correct answer: A. 36 km/h
ଆପେକ୍ଷିକ ଗତି ହେଉଛି (120 + 180) / 60 = 5 ମି / ସେକେଣ୍ଡ୍;
ମନ୍ଥର ଟ୍ରେନ୍ 15 - 5 = 10 m / s = 36 km / h ରେ ଚାଲିଥାଏ |
Keep practising Time, Speed and Distance
Browse all Time, Speed and Distance questions for RPF Constable, or explore more Arithmetic topics.
Related questions
Motion: combine the cluesMotion: choose the resultA boat’s still-water speed is 12 km/h. It covers 30 km downstream and 18 km upstream in 4 Two runners start together on a 400 m circular track at 5 and 3 m/s in the same direction.In a 200 m race A beats B by 20 m. A runs at 10 m/s. What is B’s speed?A boat moves at 12 km/h in still water; the stream is 3 km/h. Time for 27 km downstream anTrains 180 m and 220 m long move oppositely at 54 and 36 km/h. Time to cross completely?Match the arithmetic result