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The nucleus blank subscript 48 superscript 115 Cd after two successive beta to the power of minus decays will give

  1. blank subscript 46 superscript 115 Pa
  2. blank subscript 49 superscript 114 In
  3. blank subscript 50 superscript 113 Sn
  4. blank subscript 50 superscript 115 Sn

The correct answer is: blank subscript 50 superscript 115 Sn

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