The average salary of all the workers in a workshop is ₹8,000….
The average salary of all the workers in a workshop is ₹8,000. The average salary of 7 technicians is ₹12,000 and the average salary of the rest of the workers is ₹6,000. The total number of workers in the workshop is:
एक कार्यशाला के सभी कर्मचारियों का औसत वेतन ₹8,000 है। 7 तकनीशियनों का औसत वेतन ₹12,000 है तथा शेष कर्मचारियों का औसत वेतन ₹6,000 है। कार्यशाला में कुल कर्मचारियों की संख्या ज्ञात कीजिए।
Detailed Solution & Logic
21
Solution
मान लेते हैं कुल कर्मचारियों की संख्या = $x$
सभी कर्मचारियों का औसत वेतन = ₹8,000
कुल वेतन = $8000x$
7 तकनीशियनों का कुल वेतन:
$7\times12000=84000$
शेष कर्मचारियों की संख्या = $x-7$
उनका कुल वेतन:
$6000(x-7)$
इसलिए,
$8000x=84000+6000(x-7)$
$8000x=84000+6000x-42000$
$2000x=42000$
$x=21$
सही उत्तर: 21
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