Subject: General Aptitude · Chapter: Average · Exam: · Marks: · Difficulty:
The average salary of workers of a factory is ` 6000, while the average salary of 150 technicians is ` 12000 and that of non-technicians is ` 3750. Find the total number of workers in the factory.
Answer
Answer (as printed):
Explanation
Let the total number of workers be x. Then, 6000x = (12000 × 150) + 3750 (x – 150) ⇒ 2250x = 1237500 ⇒ x = 550. Hence, total number of workers in the factory = 550.
Explanation as extracted from the printed page; notation may be imperfect.