SSC MTS 2025 · PYQ · Time and Work · medium
S alone can complete 7/8 part of a work in 21 days. R is 2 times as efficient as S. In how many days will R alone complete the same total work?
Answer
The correct answer is B: 12. S completes 7/8 work in 21 days, so S completes full work in 24 days. R is twice as efficient, so R takes 24/2 = 12 days.
- A.10
- B.12✓ Correct
- C.11
- D.13
S completes 7/8 work in 21 days, so S completes full work in 24 days. R is twice as efficient, so R takes 24/2 = 12 days.
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