Multiple choice

In each of the following number series, the wrong number is given, find out that number. 6.4, 10.8, 15.2, 18.6, 24, 28.4

  1. 6.4

  2. 10.8

  3. 15.2

  4. 18.6

  5. 12.4
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The pattern adds 4.4 to each term consistently. After 15.2, the next term should be 15.2+4.4=19.6, not 18.6. Hence 18.6 is the wrong number that breaks the pattern.

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