If dog can walk from A to B in 24 minutes, while cat can walk from B to A in 12 minutes. If both start walking at same time, after what time will they cross each other?
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we will just take out average ..
12+25/2 =18.
so average time both will cross the root.
so half of it is 9.
9min is time the cross each other in root.
12+25/2 =18.
so average time both will cross the root.
so half of it is 9.
9min is time the cross each other in root.
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