 <translate> Sum of all the 13 numbers = 13 * 58 = 754
Sum of the first 7 of them = 7 * 57 = 399
Sum of the last 7 of them = 7 * 61 = 427
So, the 8th number = 427 + 399 - 754 = 72.
Therefore, the answer is (A). <yor> Àkójọ gbogbo àwọn nọ́ńbà mẹ́tàlá náà = 13 * 58 = 754 Àpapọ̀ 7 àkọ́kọ́ nínú wọn = 7 * 57 = 399 Àpapọ̀ àwọn méje tó kẹ́yìn nínú wọn = 7 * 61 = 427 Nítorí náà, iye kẹjọ = 427 + 399 - 754 = 72. Nítorí náà, ìdáhùn náà ni (A). 