Question

plz answer the question given above...​

Answer 1

also, I think it's 13 hrs in place of 3 or else it will be not possible.

heya see the pic below for solution..

hope it helps you

let speed of boat be x km/h

let the speed of the current be y km/h

Answer 2

$\sf \pmb{Answer :}$

also, I think it's 13 hrs in place of 3 or else it will be not possible.

heya see the pic below for solution..

hope it helps you

let speed of boat be x km/h

let the speed of the current be y km/h