A boat that sails at 12 km/hr in still water starts chasing another boat that sails at 4 km/hr in still water is 16 km ahead of it in the upstream direction. After how long it will catch up if the stream is following at 2 km/hr.

A boat that sails at 12 km/hr in still water starts chasing another bo

1.	A boat that sails at 12 km/hr in still water starts chasing another boat that sails at 4 km/hr in still water is 16 km ahead of it in the upstream direction. After how long it will catch up if the stream is following at 2 km/hr.
A.	\(1hr\)
B.	\(2\frac{2}{3}hr\)
C.	2hr
D.	\(2\frac{1}{4}hr\)
Answer» D. \(2\frac{1}{4}hr\)

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A boat that sails at 12 km/hr in still water starts chasing another boat that sails at 4 km/hr in still water is 16 km ahead of it in the upstream direction. After how long it will catch up if the stream is following at 2 km/hr.

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