Question

21. P and Q can finish a work in 30 days. They worked at it for 10 days and then Q left. The
remaining work is done by P alone in 20 more days, How long will P take to finish the work alone?
(a) 30 days
(b) 20 days
(c) 60 days
(d) 50 days
e) None of the above​

Answer 1

Answer:

ans

Step-by-step explanation:

20 days bcoz first p and q work together and after q left remaing only 20 days