Salam!
Dear all aspirants and seniors! I need guidance related to question No. 8 General Ability portion which is about Recital Order, a topic related to logical reasoning. Though, I found solution of these questions in past papers but I still want to know the most common source of these questions for further preparation. I've mathematical background so, I've no issue with questions 6 & 7. The only trouble is for question No. 8. Please do guide me as I'm much worried about this question.

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