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ibps-rrb-os1 2018 · Question 74 of 74

7 men and 6 women together can complete a piece of work in 8 days and work done by a woman in one day is half the work done by a man in one day. If 8 men and 4 women started working and after 3 days 4 men left the work and 4 new women joined them, in how many more days will the remaining work be completed?

Time & Work

  1. A7 days
  2. B6 days
  3. C5.25 days
  4. D6.25 daysCorrect
  5. E8.14 days ---- :12:

Answer: D. 6.25 days

Explanation

6.25 days ∴ 1 8W) (4M 3 4W) (8M 1 8 6W) (7M x × + + × + = × + ⇒ 20 × 8 = (20 × 3) + 16 × x ⇒ x = 25 . 6 16 100 = days “ALL THE BEST” “PRACTICE MAKES PROGRESS…! 2 2 2 1 1 1 W D M W D M 1M 2W that Given = ⇒ = 25 1 25 = ⇒ = ∴ x x

Source: IBPS RRB Officer Scale-I Exam 2018 (memory-based, BankAchievers) · memory-based

← Q73View full paper (74 questions)

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