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5 17 23 7 8 2 9 15 5 42 80 ?

Options

  1. A50
  2. B60
  3. C70
  4. D98

Correct answer

B. 60

Step-by-step solution

aligned & 5+7+9=21 2=42 & 17+8+15=40 2=80 & 23+2+5=30 2=60 aligned

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