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4, 9, 13, 22, 35, --

  • A.57
  • B.70
  • C.63
  • D.75
  • E.None of these

Answer: A

Correct answer: 57

Each term is the sum of the two before it: \( 4+9=13 \), \( 9+13=22 \), \( 13+22=35 \), so the next is \[ 22 + 35 = \mathbf{57} \]

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