Mathematics · Time and Work
If A alone can complete a work in 120 days and B alone can complete the same work in 150 days, then which of the following statement(s) is/are correct? I. Ratio of efficiency of A to B is 5 : 4. II. Working together, A and B can complete the same work in 30 days.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Only I✓
- 2Neither I nor II
- 3Only II
- 4Both I and II
Correct answer
Only I
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