Surrounding a circular garden with a circumference of 1200 meters. A and B revolve at the speed of 210 meters per minute and 190 minutes per minute respectively. If they run in the opposite direction, then after how long they will meet each other.
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Interesting question.
Let them meet after t mt and A has travelled d and B then has travelled 1200-d
time t for A = d/210
time t for B = (1200-d)/190
d/210 = (1200-d)/190
After solving this eqn you get d = 21×30 = 630 m
t = d/210 = 630/210 = 3 mt
This question would have been more interesting if both of them move in the same direction and when they will be together
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