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If Rahul rows 15 km upstream in 3 hours and 21 km downstream in 3 hours,then the speed of the stream is
Question 1:
If Rahul rows 15 km upstream in 3 hours and 21 km downstream in 3 hours,
then the speed of the stream is
A.
5 km/hr
B.
4 km/hr
C.
2 km/hr
D.
1 km/hr
Feedback
Rate upstream = (15/3) kmph
Rate downstream (21/3) kmph = 7 kmph.
Speed of stream (1/2)(7 - 5)kmph = 1 kmph
These questions are from this test. Would you like to take a practice test?
Practice Boats and Streams Online Test 3 | Englishfreetest.com
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