SSC GD Time and Work question with solution
Time and WorkModerateSSC GD 2024
Neha can complete a piece of work in 30 days and Divya can complete the same work in 60 days. In how many days will they finish it working together?
- (A)19 days
- (B)22 days
- (C)20 days
- (D)45 days
Correct answer: (C) 20 days
Neha's one-day work = 1/30 and Divya's one-day work = 1/60. Together they do 1/30 + 1/60 = 90/1800 = 1/20 of the work per day, so the work is finished in 20 days.
Shortcut: Days together = (a × b)/(a + b) = 1800/90 = 20.
About this question
- Subject
- Quantitative Aptitude
- Topic
- Time and Work
- Exam
- SSC GD 2024
- Attempts on SSC Rank
- Not attempted yet
Appears in: SSC GD 2024 Computer Based Examination Question Paper — 20 February, Shift 1
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