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    Question

    Find the total distance covered by boat in each

    upstream and downstream in 6 hours if the speed of boat in still water and speed of current is 20 km/h and 4 km/h respectively.
    A 280 km Correct Answer Incorrect Answer
    B 220 km Correct Answer Incorrect Answer
    C 215 km Correct Answer Incorrect Answer
    D 206 km Correct Answer Incorrect Answer
    E 240 km Correct Answer Incorrect Answer

    Solution

    Speed in upstream = 20 – 4 = 16 km/hr Speed in downstream = 20 + 4 = 24 km/hr Required total distance= (16 + 24) × 6 = 240 km

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