If you are a genius then solve the mathematical problem?

in photograpy •  6 years ago 

if a boat goes 7km upstream in42 minutes and the speed of the stream is 3 kmph,then the speed of the boat in still water is???42393298_2225699697492339_4075961042356666368_n.jpg

photograpy solve math genius
6 years ago by

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      ·  6 years ago 

    this is very easy math .i can solve this math .answer is 13km/hr

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      ·  6 years ago 

    nice and genius question.very good dear

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      ·  6 years ago 

    excellent post.i like your post.this is Mathematical question.carry no dear.thanks for youe post

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    2 votes
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      ·  6 years ago 

    if you solve this math you must know that about what is actual speed and effective speed.

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    2 votes
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      ·  6 years ago 

    downstream,upstream,actual speed,effective speed are more important for this math.

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    2 votes
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      ·  6 years ago 

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      ·  6 years ago 

    your answer are absolutely right.thanks for your comment dear.

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      1 vote