Question

3 boys 3 day in 3 litre milk finish 9 boys 9days finished the millk

Answer 1

hiii friend
here is your answer
if 3 boys for 3 days take 3 li. of milk
it means that
1 boy for 1 day take 1/3 li. of milk
so,
9boys for 9days take 27 li. of milk.

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hope it helps
thank you.