Multiple choice

Find the missing term in the following number series. $4 \quad 16 \quad 65 \quad ? \quad 1065$

  1. 132

  2. 135

  3. 145

  4. 250

  5. 264
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The pattern follows: term[n+1] = term[n] × 4 + n² where n starts at 0. Verifying: 16=4×4+0², 65=16×4+1²=64+1, 264=65×4+2²=260+4, and 1065=264×4+3²=1056+9. The missing term is 264. Option D (250) is close but doesn't fit the pattern exactly.

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