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The average weight of 15 students is 40 kg · If the teacher's weight is included, the average increases by 2 kg · What is the teacher's weight?
70 kg
72 kg
75 kg
68 kg
72 kg
Practice and solve "The average weight of 15 students is 40 kg · If the teacher's weight is included, the average increas..." for RRB JE CBT-1 - Mathematics · The correct answer is Option B: 72 kg · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "The average weight of 15 students is 40 kg · If the teacher's weight is included, the average increas..." for RRB JE CBT-1 - Mathematics · The correct answer is Option B: 72 kg · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.