Question
1.
2.
3.
4.
Answer (Detailed Solution Below)
Option 3 : 55 kg
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Detailed Solution
सही उत्तर 55 kg है।
Key Points
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Question:
The average weight of 12 students is 42 kg. When the weight of their teacher is included, the average rises to 43 kg. What is the weight of the teacher?
1.
54 kg
2.
56 kg
3.
55 kg
4.
52 kg
Correct Answer: 55 kg
Teacher's weight = 13 x 43 - 12 x 42 = 559 - 504 = 55 kg. / शिक्षक का भार = 13 x 43 - 12 x 42 = 559 - 504 = 55 किग्रा।
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