Multiple choice

Directions: Find the missing term in the following number series. 697, 553, 453, 389, 353, ?

  1. 328

  2. 337

  3. 362

  4. 338

  5. 350

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Differences: 697-553=144 (12^2), 553-453=100 (10^2), 453-389=64 (8^2), 389-353=36 (6^2). Next difference should be 4^2 = 16. 353 - 16 = 337.