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Rina's and Tara's marble counts are in the ratio 3 : 7. If each of them gets 8 more marbles, the ratio becomes 1 : 2. How many marbles does Rina have now?

Competition practiceRatio, Proportion & Mixtures
  • A24
  • B56
  • C16
  • D32

Step-by-Step Solution

Let the counts be and gives , so . Rina has .
Answer: A) 24

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