Question
Download Solution PDFThe average weight of a class of 15 students is 42. If the teacher is included, the average weight increases by 1 kg. What is the weight of the teacher?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFIf the teacher is included, the number of persons concerned increases to 16. And, the average weight also increases to 16 kg (as given).
⇒ The sum of the weight of 16 people is (43 × 16) = 688 kg
Hence, the required weight of the teacher is (688 - 630) kg = 50 kg
Last updated on Jul 12, 2025
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