The average salary of workers in an industry is Rs.300 the average salary of technicians being Rs.400 and that of non-technicians being Rs.125. What is the total number of workers?  Choose the correct choice from the following answers
A) 230
B) 234
C) 250
D) 547
E) 484
400 125   \ /   300   / \   175 100   7:4   7-&gt;150   11-&gt;?   =&gt;234   ANSWER:234
<result>B</result>
The average salary of workers in an industry is Rs.300 the average salary of technicians being Rs.400 and that of non-technicians being Rs.125. What is the total number of workers?