Question no 50. Please provide me the solution of it .

Question

Answer 1

let x , y be speed of 1 and 2 in downstream. y=x+8 and y=1.5*x ==> x=16 and y=24
if v1 and v2 are the speeds in still water then v1+x=16 and v2+x=24
given v2-x=2*(v1-x)
solving these 3 eq we get 20

Answer 2

let x , y be speed of 1 and 2 in downstream. y=x+8 and y=1.5*x ==> x=16 and y=24
if v1 and v2 are the speeds in still water then v1+x=16 and v2+x=24
given v2-x=2*(v1-x)
solving these 3 eq we get 20

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Question no 50. Please provide me the solution of it .