- A5 : 3
- B3 : 5
- C4 : 5
- D1 : 1
Step-by-Step Solution
One part = 5. Riya has 15, Sam has 25. After the gift: Riya 20, Sam 20. New ratio 20 : 20 = 1 : 1.
Answer: D) 1 : 1
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