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     EduGorilla 
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    A boat moves upstream at the rate of 2 kms in 10 minutes and downstream at the rate of 2 kms in 6 minutes. The average speed throughout the journey is

    Options :-

    1. 15 km/hr
    2. 16 km/hr
    3. 20 km/hr
    4. 25 km/hr
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