A) 20
B) 21
C) 22
D) 23
Correct Answer: B
Solution :
[b] Let total number of workers ben Total salary of all workers=8000 n Total salary of 7 technicians\[=7\times 12000\]\[=84,\,000\] Total salary of remaining workers\[=(n-\,7)\times 6000\] \[84000+(n-\,7)\times 6000=8000\,\,n\] \[84+6n-\,42=8n\] \[42=2n\] \[n=21\]You need to login to perform this action.
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