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4, 16, 36, 64, …. 144

  • A.112
  • B.78
  • C.100
  • D.81

Answer: C

Correct answer: 100

The terms are the squares of the even numbers: \( 2^2=4 \), \( 4^2=16 \), \( 6^2=36 \), \( 8^2=64 \), so the next is \( 10^2 = \mathbf{100} \), followed by \( 12^2 = 144 \).

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