Edwin gives half his apples to Dillian. Let Edwin's apples at first = 2a → each gets a apples.

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• Edwin end apples = a
• Dillian end apples = a
• Dillian's ratio (apples : oranges) = 1 : 6 → Dillian end oranges = 6a
• Dillian gave (Oranges_start − 6a) oranges to Edwin
• Edwin end oranges = 2a (since Edwin's final ratio apples : oranges = 1 : 2)
• Edwin end ratio = a : 2a = 1 : 2

Final Answer: 1 : 2