This question was previously asked in

SSC GD Previous Paper 18 (Held On: 19 Feb 2019 Shift 1)_English

- 11
- 12
- 14
- 10

Option 1 : 11

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Modern History

62219

15 Questions
45 Marks
15 Mins

**Given:**

2m + 7w = 14 days

3m + 8w = 11 days

**Formula used:**

Total work = Efficiency × days

**Calculations:**

⇒ (2m + 7w)14 = (3m + 8w)11

⇒ 28m + 98w = 33m + 88w

⇒ 10w = 5m

⇒ m/w = 2/1

⇒ Total work = (2 × 2 + 7 × 1) × 14

⇒ Total work = 11 × 14

Time taken by 5m and 4 w = (11 × 14)/(5 × 2 + 4 × 1)

⇒ 11 days

**∴ Time taken by 5 man and 4 woman is 11 days.**

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