1.

A and B take 6 and 9 hours respectively to complete a work work for 1 hour and then we were for 2 hours how much work is done in these 3hours and how much work is still left?

Answer»

A and B take 6 and 9 hours respectively to complete a work work for 1 hour and then we were for 2 hours how much work is done in these 3hours and how much work is still left?



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