a boat covers certain distance downstream in 3hr and same distance upstream in 5 hours,if the speed of boat is 8km/hr find the speed of stream
Answers
Answered by
2
Answer:
distance be LCM(3,5,18) = 90 km
Upstream speed (US) = 90/5 = 18 kmph
Downstream speed (DS) = 90/3 = 30 kmph
Speed of boat =(DS+ cup S)/2=(30+18)/2: 24
Speed 2 of current =(US-DS)/2=(30-18)
= 6 kmph.
Step-by-step explanation:
Mark me as brainer your friendly neighborhood partners
Similar questions