Question

6. A can do a piece of work in 10 days and Bin 20 days. They begin together but A leaves 2 days before
the completion of the work. In how many days will the whole work be completed?
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Answer 1

Answer:

6 DAYS

Step-by-step explanation:

EFFICIENCY OF A=1/10

EFFICIENCY OF B=1/20

WORK DONE TOGETHER=1/10+1/20

                                           =(2+1)/20

                                           =3/20

A.T.Q,

A LEAVES 2 DAYS BEFORE,

SO,

20/3-2

=(20-2)/3

=18/3

=6 DAYS

I HOPE YOU UNDERSTOOD THE QUESTION