1. The problem gives four values for permutations of letters B, D, C, A: (BDCA) = 100, (BDAC) = 120, (CDAB) = 130, (ADCB) = 150. 2. We need to understand what these values represent or find a relationship between these permutations. 3. Since no explicit question is asked, we assume the problem is to analyze or compare these values. 4. Each permutation is a different ordering of the letters B, D, C, A, and the values might represent weights, scores, or counts associated with each ordering. 5. To compare, we can note the values: 100, 120, 130, and 150. 6. The permutation (ADCB) has the highest value 150, and (BDCA) has the lowest value 100. 7. Without additional context or a specific question, we cannot solve further but can summarize the given data.