Ajinkya can row upstream at 20 kmph and downstream at approx. 18.65 mph. The speed of the stream is?

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22 Jan 2021 STREAMS Ajinkya can row upstream at 20 kmph and downstream at approx. 18.65 mph. The speed of the stream is?: OPtion
1) 5
2) 8
3) 2.5
4) 4.5
5) 3
6) 4
7) 3.5
8) 7
9) 6
10) None of the above; Correct Option: 1 Best Solution (3)

Billal Hossain 3 years AGO

Rate of upstream = 20 kmph
Rate of downstream=18.65 mph= 18.65*1.609=30 kmph
Therefore, speed of the stream is =(30-20)/2=5
So. My option is (1)

Like? Yes (1) | No

Varun 3 years AGO

18.65 miles per hour
= 30kilometer per hour
=> In KMPH
Upstream= 20
Down stream= 30
Stream speed= (30-20)/2
= 5

Like? Yes | No

Karan 3 years AGO

18.65 mph = 30 kmph
speed of stream =(30-20)/2= 5 kmph

Like? Yes | No

Dimple

India

Punjab

Time: 00:01:33

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Ajinkya can row upstream at 20 kmph and downstream at approx. 18.65 mph. The speed of the stream is?

M4maths Previous Puzzles

22 Jan 2021 STREAMS