The average salary of all the workers in a workshop is Rs. 8000. The average salary of 7 technicians is Rs. 12000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is-
A. 20
B. 21
C. 22
D. 23
Answer: Option B
Solution (By Examveda Team)
Let the total number of workers be x.Then,
⇒ 8000x = (12000 × 7) + 6000(x - 7)
⇒ 2000x = 42000
⇒ x = 21
This Question Belongs to Arithmetic Ability >> Average
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