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  9. Q92

RRB NTPC 2022 · Question 92 of 110

Sudhir is 4.5 times as efficient as Aarav. If they work together, they can complete a piece of work in 8 days. How many days will Aarav take to do the same work alone?

  1. A36
  2. B48
  3. C44Correct
  4. D40

Answer: C. 44

Explanation

Efficiency of Sudheer and Aarav=4.5 and 1. Sudheer Aarav 4.5 1 They work together with total efficiency – 4.5+1=8days. Total work =8×5.5=44unit. Aarav takes time the complete work =44/1=44days.

Source: RRB NTPC 2022 CBT 2 Previous Year Paper (12-June-2022) — ixambee compilation with answer key · reliable-secondary

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