P and Q can finish a work in 30 days, They work 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 ?

P and Q can finish a work in 30 days, They work at it for 10 days and

1.	P and Q can finish a work in 30 days, They work 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
Answer» B. 20 days

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P and Q can finish a work in 30 days, They work 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 ?

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