The sum of the total weight of A and B and the total weight of B and C is taken: \(80\text{\ kg}+86\text{\ kg}=166\text{\ kg}\). This sum represents the combined weight of A, two times B, and C. The weight of B is found by subtracting the total weight of A, B, and C from this sum: 166 kg-135 kg=31kg.
The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is:
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Question context
This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the Punjab Police preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.