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Q: The average salary of all employees working in an office is Rs.8000. The average salary of 7 technicians is Rs 12000 and the average salary of rest of the workers is Rs.6000. The total no. of workers working in that office is-

  • 1
    20
  • 2
    21
  • 3
    23
  • 4
    22
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Answer : 2. "21"

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