A man can row upstream at 12 km/hr and downstream at 24 km/hr. the speed of the stream is:

Options
- 4 km/hr
- 6km/hr
- 8 km/hr
- None

CORRECT ANSWER : 6km/hr

Discussion Board
Solution

Discussion Board
Solution

Given details ,
Speed of downstream S''d = 24kmph
Speed of upstream S''''u = 12kmph
STEP 1
Use the stream formula that is 1/2× (downstream speed - upstream speed) and substitute it.

=1/2× {24 -12}
=1/2 × (12)
= 6 kmph.
You can mail me If you have any doubts = gkaakash@yahoo.com


GK Aakash 07-30-2021 09:04 AM

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