Math, asked by sanskarsharma2017, 11 months ago

how to solve this question it is very tough​

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Answers

Answered by hemlatanain1941
1

LET THE SPEED OF STEAMER BE X KM/hr

IN THE DOWNSTREAM THE SPEED OF STEAMER WILL BE ADDED

IN THE UPSTREAM THE SPEED OF STEAMER WILL BE SUBTRACTED

9(X+1)=10(X_1)

9X+9=10X_10

10X_9X=10+9

X=19

ANSWER =19 KM/HR

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