Aptitude Test for Software Developers

Q.  Raj swims for 6 ½ hours while going 24 km downstream and 36 km upstream. But he takes just 6 hours to swim 36 km downstream and 24 km upstream. At what rate is the river flowing?

a. 6 km/hr
b. 3 km/hr
c. 2 km/hr
d. 4 km/hr


ANSWER: See Answer
 
No explanation is available for this question!
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