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A can complete a job in 7 days and B in 15 days. Working together, approximately how many days will they take?
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Subject
General Abilities
Topic
Time & Work
Subtopic
Combined Work
Reviewed by Super AdminEditorial Policy
hard
11
4.77
22
8
Not applicable — CSS MPT uses four-option MCQs
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Explanation
Combined rate=1/7+1/15; time≈4.77 days.…
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Concept Behind This Question
This question focuses on the concept of Combined Work under the broader topic of Time & Work.
Related key concepts: CSS MPT, Time & Work, Combined Work.
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Time & Work
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Question Details
- Subject:
- General Abilities
- Topic:
- Time & Work
- Subtopic:
- Combined Work
- Difficulty:
- hard
- Source:
- https://www.khanacademy.org/math
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