Multiple choice

Find the wrong number in the following number series- 36 38.8 42.8 50 54.4 62

  1. 36

  2. 38.8

  3. 62

  4. 42.8

  5. 50
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Calculate ratios: 38.8/36 = 1.077..., 42.8/38.8 = 1.103..., 50/42.8 = 1.168..., 54.4/50 = 1.088..., 62/54.4 = 1.140... No clear pattern. Check differences: 38.8-36=2.8, 42.8-38.8=4, 50-42.8=7.2, 54.4-50=4.4, 62-54.4=7.6. The differences (2.8, 4, 7.2, 4.4, 7.6) are inconsistent - 7.2 and 4.4 don't fit the alternating pattern. 50 appears to be wrong.

Keep practicing — related questions