Question

A can do a piece of work in 10 days, B can
do it in 12 days and C in 15 days. All begin
together, but A leaves the work after 2 days
and B leaves three days before the completion of work. How long did the work last?

Answer 1

Answer:

The whole work is done in 10 and 1/3 days. Answer. Let the work be completed in= N- days. Therefore the work was completed in =7- days.

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