Q. 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
✅ Correct Answer: (B)
21
Explanation: Let the total number of workers be x.
Then,
⇒ 8000x = (12000 × 7) + 6000(x - 7)
⇒ 2000x = 42000
⇒ x = 21
Explanation by: Rohan Raj
Let the total number of workers be x.
Then,
⇒ 8000x = (12000 × 7) + 6000(x - 7)
⇒ 2000x = 42000
⇒ x = 21
Then,
⇒ 8000x = (12000 × 7) + 6000(x - 7)
⇒ 2000x = 42000
⇒ x = 21