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ibps-rrb-os1 2021 · Question 127 of 173

X men can complete a piece of work in 41 days and (X+40) men can complete the same piece of work in 20 days less than that of days taken by X men. Find the value of X.

Data Interpretation

  1. A42Correct
  2. B48
  3. C54
  4. D36
  5. E39

Answer: A. 42

Explanation

ATQ X × 41 = (X + 40)(41 − 20) 41X = 21X + 840 X = 840 20 = 42

Source: IBPS RRB PO Mains 2021 Memory Based Paper (Adda247/BankersAdda) · memory-based

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