If a b and c working together can do a job in 10 days if a and c do it in 20 days and b and c in 15 days if a and b work together the number of days required
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in 12 days
hope it helps you
hope it helps you
1esha57:
then
too yrr bhai esa bolna wrong hai na
sorry ki koi baat nhi but sometimes aapni feeling ko hide krna pdta hai
hii
hii
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