Math, asked by mitali5680, 5 months ago

solve this by giving step by step explanation ........one word answer givers will be reported

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Answered by MahnoorWKhan

0

Step-by-step explanation:

for this we will use speed distance and time formula.

speed = distance ÷ time

in upstream motion speed is = 36/3 = 12km per hour

in downstream motion speed is = 90/5 = 18km per hour

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