Question

A, B and c can do a piece of work in 24 days, 30 days
and to days respectively. They begain the work together
heut c a desht 4 days before the completion of
the work. In how many days was the work
completed ?​

Answer 1

Answer:

the answer is 11

Step-by-step explanation:

Let ,

the work be completed in X- days(say)

Then ,

X/24 + X/30 + (X-4)/40= 1

=5X + 4X +3(X-4)= 120

= 12X= 120+ 12= 132

So X= 132/12

= 11  days

Therefore, the work will be completed in = 11  days