Correct Answer - Option 1 : 4 kmph
Given:
Speed of upstream = 14 km/hr
Speed of downstream = 22 km/hr
Formula used:
Speed of stream = (Speed of upstream - Speed of downstream)/2
Calculation:
Speed of stream
⇒ (22 – 14)/2
⇒ 8/2
⇒ 4 km/hr
∴ The speed of the stream is 4 km/hr.