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Harish is 50% more efficient than Rajesh. If Rajesh can do 26 percent of the work in 13 days, find the time taken to finish the work when both works together.1. 60 days2. 50 days3. 40 days4. 30 days5. 20 days |
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Answer» Correct Answer - Option 5 : 20 days Given: Harish is 50% more efficient than Rajesh. Rajesh does 26% of work in 13 days. Concept used: Work done = Time × Efficiency Calculation: Number of days taken by Rajesh = 13 × 100/26 = 50 days The ratio of efficiency of Harish to Rajesh = 3 ∶ 2
∴ Time taken by both to finish the work together is 20 days. |
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