6. Two trains depart from a station in opposite directions at 120 km/h .Find the
distance between them after 20 min?
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Answer:
80km
Step-by-step explanation:
Distance = Velocity × time
Velocity= 120km/hr
time = 20 min = 20/60 hr = 1/3 hr
* Since both the trains are moving in the opposite direction,
total distance = distance travelled by 1st train + distance travelled by 2nd train
= X + X = 2x
Distance travelled by one train= 120 × (1/3)
= 40 km
Total distance = 2x = 2×40 = 80km
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