The average salary of all the workers in a workshop is Rs.8000. The average salary of 7 technicians is Rs.10000 and the average salary of the rest is Rs.6000. The total number of workers in the workshop is
Choose the correct choice:	A) 20	B) 21	C) 22	D) 23	E) 14
Solution   Let the toatl number of workers be x.   Then 8000x=(10000 x 7) + 6000 (x -7)   x= 14.   Answer 14
<result>E</result>
The average salary of all the workers in a workshop is Rs.8000. The average salary of 7 technicians is Rs.10000 and the average salary of the rest is Rs.6000. The total number of workers in the workshop is