A and B take 6 hrs and 9 hrs respectively to complete a work . A work for 1 hr and then B works for 2 hrs
1. How much work is done in these 3 hrs ?
2.How much work is still left
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Answered by
4
A completes 1/6th part and B completes 2/9 th part so 7/18th part of work has been completed
Answered by
4
1. a=1/6x,b=1/9x
1/6+2/9=7/18
2.11/18
1/6+2/9=7/18
2.11/18
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