Multiple choice

Find the wrong term in sequence :24, 27, 31, 33, 36, 39

  1. 24

  2. 27

  3. 31

  4. 33

  5. 39

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

The differences between consecutive terms are: 27-24=3, 31-27=4, 33-31=2, 36-33=3, 39-36=3. The pattern of differences is 3, 3, 3, 3. If the sequence were 24, 27, 30, 33, 36, 39, the differences would be constant. Thus, 31 is the wrong term.

AI explanation

The pattern is to add 3 to each preceding term. If the sequence started with 24, the terms would be 24, 27, 30, 33, 36, 39. Since 31 breaks this chain of adding 3, it is the incorrect term. The wrong term is 31.