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?

Answer : Option C

Explanation :

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No. of non-officers = $frac{3}{1} imes 5 = 15$

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### The average salary of the entire staff in an office is Rs 3200 per month. The average salary of offi