Multiple choice

Directions: Complete the series.

121, 144, 169, 196, ?

  1. 225

  2. 219

  3. 221

  4. 223

  5. 256
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A Correct answer
Explanation

From the series, it is clear that every term is the square of the consecutive terms.

112 = 121, 122 = 144, 132 = 169, 142 = 196. Similarly, 152 = 225.

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