Question

In 1 day Ram can do twice as much as Hari. They both finish the work in 12 days. In what time each can do it separately? ​

Answer 1

Answer:

Hari = 8 days

Ram = 4 days

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Answer 2

Answer:

let rate of doing work for ram = r

and for hari = h

so r=2h

12r+12h =1W

substitute values

12(2h)+12h=1W

36h =1W

so hari alone can do the work in 36 days

also

36(r/2)=1W

18r =1W

so ram alone can do the work in 18 days