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Q:

The average salary of the entire staff in an office is Rs 3200 per month. The average salary of officers is Rs 6800 and that of non-officers is Rs 2000. If the number of officers is 5, then find the number of non-officers in the office.

  • 1
    8
  • 2
    12
  • 3
    15
  • 4
    5
  • 5
    None of these
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Answer : 3. "15"

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