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Grade: 12


From 16 litre milk 2 litre milk was taken out and 2 litre of water was added in it.And this process was done 3 times.What will be the ratio of concentration of milk and water in the resulting solution?

9 years ago

Answers : (2)

rohit rathi
47 Points

15:28  is the answer.

9 years ago
AKASH GOYAL AskiitiansExpert-IITD
419 Points

Dear Vedanshu

After first process quantity of milk=14 lit and water =2 lit

After second process quantity of milk=14*(1-2/16)

As one can observe easily that concentration of milk is reduced by 1/8 each time

so conc of milk=(7/8)^3

conc of water=1-(7/8)^3

So ratio of two =343/169

All the best.




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9 years ago
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