The average salary of all the workers in a workshop is Rs. 9000. The average salary of 7 technicians is Rs. 12000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is?  Options:  A) A)23  B) B)21  C) C)52  D) D)56  E) E)14
Let the total number of workers be x. Then,   9000x = (12000 * 7) + 6000(x - 7)   =&gt; 3000x = 42000   = x =14.   Answer:14
<result>E</result>
The average salary of all the workers in a workshop is Rs. 9000. The average salary of 7 technicians is Rs. 12000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is?