A) 18
B) 20
C) 22
D) 24
Correct Answer: C
Solution :
[c] Let the total number of workers be x. Then, \[(7\times 10000)+(x-7)\times 7800=8500x\] \[\Rightarrow 70000+7800x-54600=8500x\] \[\Rightarrow 700x=15400\]\[\Rightarrow \]\[x=22\] \[\therefore \] Total number of workers in the workshop \[=22\] |
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