If you are a genius then solve the mathematical problem?a-7 (58)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??? #solve #math #genius
this is very easy math .i can solve this math .answer is 13km/hr
nice and genius question.very good dear
excellent post.i like your post.this is Mathematical question.carry no dear.thanks for youe post
if you solve this math you must know that about what is actual speed and effective speed.
downstream,upstream,actual speed,effective speed are more important for this math.
your answer are absolutely right.thanks for your comment dear.