Multiple choice

In the following number series only one number is wrong. Find out the wrong number. 1248, 628, 318, 165, 85.5, 46.75, 27.375

  1. 628

  2. 85.5

  3. 318

  4. 165

  5. 27.375
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The pattern is (previous term / 2) + 4. 1248/2 + 4 = 628. 628/2 + 4 = 318. 318/2 + 4 = 163 (not 165). 163/2 + 4 = 85.5. 85.5/2 + 4 = 46.75. 46.75/2 + 4 = 27.375. The wrong number is 165.

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