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If the average salary of a firm is Rs. ...

If the average salary of a firm is Rs. 400 and the number of workers is 60, find the total salary bill of the firm.

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Given: `barX=400,N= 60`
`barX=(sumX)/N`
`rArr" "sumX= N xx barX`
`" "=60xx400 = 24,000`
Total Salary Bill = Rs. 24,000.
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