Question

Worker ‘P’ can complete a job in 30 days, and together with ‘Q’, they can finish it in 12 days. If ‘Q’ worked alone for 15 days and then stopped, how long will ‘P’ take to finish the remaining work?

A 2.5 days
B 40 days
C 7.5 days
D 16 days
E None of these
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