pls answer this on a paper
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given
a person row km upstream =8km
downstream=4hrs
time taken = 4 hrs
can row upstream and downstream = 12 cm
= 8×24/12
= 192/12
=16
andreaantony54:
r u sure
soory but noo me too in 10 th
it's wrong I guess
wait i will give u right
time = distance / speed so 8/(x-y)+24 (x+y)=4 we have p=x-y andq=x+y 12/(x+y) +12/(x-y )=4 we have p=4 and q = 12 so x=8 and y=4so speed of person in still water is 8 km andthat of current is 4kmph
this is right ans
Yeah this is right
okk
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