UPSC Prelims 2023 · CSAT (Paper 2) · Q20
Basic Numeracy
Hard · Time and work
P, Q and R working independently can complete a piece of work in 10, 15 and 30 days respectively. P alone works on Monday, Q alone works on Tuesday, R alone works on Wednesday; P alone works again on Thursday, and so on in that order. Consider the following statements:
1. The work will be finished on a Monday.
2. The work will be finished in 12 days.
Which of the above statements is/are correct?