the average salary per head of all the workers in a workshop is rs. 850, if th

Question

the average salary per head of all the workers in a workshop is rs. 850, if the average salary per head of 7 technician is rs. 1000 and the average salary per head of the rest is rs 780, the total num

Options:

A . 21

B . 22

C . 23

D . 24

Answer: Option B
Explanation :

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