1.

re maining or inys.Hoei toalonewou

Answer»

Let Work Done by A be aAnd work done by B be b

Thus According to question

60% of A = 1560/100 of A = 15A = 15/0.60A = 25

And Also

40% of (A + B) = 50.40 ( 25 + B) = 525 + B = 12.5Thus B = 12.5 days



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