Multiple choice

Find the missing term in the following series. 175, 184, 220, 301, 445, ?

  1. 670

  2. 858

  3. 825

  4. 560

  5. 832
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Differences: 184-175=9 (3^2), 220-184=36 (6^2), 301-220=81 (9^2), 445-301=144 (12^2). Next difference should be 15^2 = 225. 445 + 225 = 670.

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