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The average monthly salary of all employees of a firm is ₹60,000. The 12 officers earn an average of ₹1,20,000 and the rest earn an average of ₹50,000. How many employees does the firm have?

Competition practiceStatistics
  • A72
  • B96
  • C80
  • D84

Step-by-Step Solution

gives , so .
Answer: D) 84

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