The average salary of all the workers in a workshop is Rs.8000. The average salary of 7 technicians is Rs.12000 and the average salary of the rest is Rs.6000. How many workers are there in the workshop?  Choose the correct choice from the following options:  A) 21  B) 22  C) 23  D) 24  E) 25
Explanation:   Let the number of workers = x   Given that average salary of all the workers = Rs.8000   Then, total salary of all workers = 8000x   Given that average salary of 7 technicians is Rs.12000   =&gt; Total salary of 7 technicians = 7 × 12000 = 84000   Count of the rest of the employees = (x - 7)   21verage salary of the rest of the employees = Rs.6000   Total salary of the rest of the employees = (x - 7)(6000)   8000x = 84000 + (x - 7)(6000)   =&gt; 8x = 84 + (x - 7)(6)   =&gt; 8x = 84 + 6x - 42   =&gt; 2x = 42   =&gt; x = 42/2= 
<gadget id="calculator">42/2</gadget>
<output>21</output>
21   21nswer: Option 21
<result>A</result>
The average salary of all the workers in a workshop is Rs.8000. The average salary of 7 technicians is Rs.12000 and the average salary of the rest is Rs.6000. How many workers are there in the workshop?