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  9. Q141

ibps-so 2023 · Question 141 of 323

Arijit, Benny, and Chetna together can complete a work in 12 days. If the ratio of the efficiency of Arijit, Benny, and Chetna is 8:5:6, respectively, then find the time taken by Arijit alone to complete the whole work.

  1. A18.5 days
  2. B25 days
  3. C20.5 days
  4. D28.5 daysCorrect
  5. Enone of these

Answer: D. 28.5 days

Explanation

ATQ, Let the number of units of work done by Arijit, Benny and Chetna alone be 8a, 5a and 6a units per day, respectively. So, total work = 12 × (8a + 5a + 6a) = 228a units So, time taken by Arijit alone to complete the whole work = 228a/8a = 28.5 days

Source: IBPS SO Prelims Memory Based 2023 (AFO/IT/HR/Marketing) - ixamBee · memory-based

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