by one boy alone t0 TII1.A boat goes 24 km upstream and 28 km downstre

1.	by one boy alone t0 TII1.A boat goes 24 km upstream and 28 km downstream in 6 hrs. Iupstream and 21 km downstream in 6) hrs.Find the speed of theand also speed of threadth reduced easth ic increased and breadth reduced ea
Answer» If speed of the boat be x and stream speed be y from the given question, 24/(x-y) + 28/(x+y) = 630/(x-y) + 21/(x+y) = 6.5 Taking 1/(x-y) as X and 1/(x+y) as Y24X + 28Y = 630X + 21Y = 6.5 solving for X and Y==>X = 1/6 and Y = 1/14 so x-y = 6 and x+y = 14hencex = 10 kmph and y = 4kmph Like my answer if you find it useful!

by one boy alone t0 TII1.A boat goes 24 km upstream and 28 km downstream in 6 hrs. Iupstream and 21 km downstream in 6) hrs.Find the speed of theand also speed of threadth reduced easth ic increased and breadth reduced ea

Answer»

If speed of the boat be x and stream speed be y

from the given question,

24/(x-y) + 28/(x+y) = 630/(x-y) + 21/(x+y) = 6.5

Taking 1/(x-y) as X and 1/(x+y) as Y24X + 28Y = 630X + 21Y = 6.5

solving for X and Y==>X = 1/6 and Y = 1/14

so x-y = 6 and x+y = 14hencex = 10 kmph and y = 4kmph

Like my answer if you find it useful!