Math, asked by naveench09, 1 year ago

A rescue boat takes 12 hours to row 90 km downstream and 70 km upstream. what is the rate of current if the boat take 9 hours to row 72 km downstream

Answers

Answered by abeera1

1

16. Arithmetic mean between two numbers is 5 and Geometric mean between
them is 4. Find the Harmonic mean between the numbers. 2

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