A man can row his boat with the stream at 24 km/h and against the stream in 10 km/h. The man's rate is?	Choose the correct choice.
A) 1 kmph B) 6 kmph C) 7 kmph D) 4 kmph E) 9 kmph
Explanation:   DS = 24   US = 10   S = ?   S = (24-10)/2= 
<gadget id="calculator">(24-10)/2</gadget>
<output>7</output>
7 kmph   Answer: 7 kmph
<result>C</result>
A man can row his boat with the stream at 24 km/h and against the stream in 10 km/h. The man's rate is?