Latest SSC Aptitude Question SOLUTION: A man rows 750 m in 675 seconds against the stream and returns in 7 and half minutes. His rowing speed in still water is 4 kmph 5 kmph 6 kmph 7 kmph

• Placement Papers
• /
• SSC
• /
• Numerical Ability
• /
• Time Distance and Speed

SSC Question Papers:

(#M40022714) SSC Numerical Ability question ALGEBRA Keep an EYE

A man rows 750 m in 675 seconds against the stream and returns in 7 and half minutes. His rowing speed in still water is

4 kmph
5 kmph
6 kmph
7 kmph

Asked In SSC MAN (10 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (5)   (2) Submit Your Solution Time Distance and Speed

Read Solution (1) :

archna anand  (7 years ago)

Rate upstream = (750/675) = 10/9 m/sec
Rate downstream (750/450) m/sec = 5/3 m/sec
since, 7 and half minutes = 7.5 minutes as, 1min = 60sec 7.5 min = 7.5*60 = 450 sec
Rate in still water = (1/2)*[(10/9) + (5/3)] m/sec.
= 25/18 m/sec
= (25/18)*(18/5) kmph
= 5 kmph

Is this solution Helpfull? Yes | No   

Please Login to Read Solution.