A, B and C can complete a piece of work in 267, 178 and 534 days respectively. Working together, they will complete the same work in how many days?

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OSSC CGL 2022 Official Paper (Held on: 11th Oct Shift 2)
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  1. 87
  2. 85
  3. 89
  4. 83

Answer (Detailed Solution Below)

Option 3 : 89
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Calculation:

LCM of 267, 178 and 534 = 534

F1 Vilas 12.12.2022 State Govt. D3

Total efficiency of A + B + C = 2 + 3 + 1 = 6

Time is taken by A + B + C = 534 / 6

Time is taken by A + B + C = 89 days

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