Two boats A and B of engine speed u travel in opposite directions in a stream of speed a Let

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Previous Question: A boat with still water speed of a is traveling upstream where the streams speed is b. After covering certain distance s, the boat turns back and tries to come to the starting place. But the boat stops at 3/4th of the intended distance due to a technical fault. What is the ratio of the time taken for the return journey to that of the upstream journey. a. 3(a - b)/4(a + b) b. 4(a - b)/3(a + b) c. 3(a + b)/4(a - b) d. 4/3 Next Question: Let a boat traveling in still water with a speed of 30 kmph covers a certain distance in 9 hours. Now if the same distance has to be covered traveling upstream in a speed of 10 Kmph, by what percentage the speed of the boat should be increased to cover the distance in the same time of 9 hours. a. 33.33% b. 66.66% c. 24.47% d. 60%

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Two boats A and B of engine speed u travel in opposite directions in a stream of speed a. Let A travel in the direction of stream. Let the distance between them be s. What time they will cross each other.

a. s/(2u) b. (2s)/u c. can't be determined d. s/u: Asked In CSC (12 years ago); Unsolved Read Solution (1); Is this Puzzle helpful? (0) (0) Submit Your Solution Boats and Streams

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Latest CSC Aptitude Question SOLUTION: Two boats A and B of engine speed u travel in opposite directions in a stream of speed a. Let A travel in the direction of stream. Let the distance between them be s. What time the