Multiple choice

Directions: Find the wrong number in the following number series. 5.5, 16.5, 49.5, 148.5, 450.5, 1336.5

  1. 1336.5

  2. 450.5

  3. 49.5

  4. 16.5

  5. 148.5

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

The pattern is: 5.5 * 3 = 16.5; 16.5 * 3 = 49.5; 49.5 * 3 = 148.5; 148.5 * 3 = 445.5. The term 450.5 is incorrect.

AI explanation

The pattern in this series involves multiplying each number by 3 to get the next term. For example, 5.5 multiplied by 3 equals 16.5, and 16.5 multiplied by 3 equals 49.5. Following this multiplication rule, 148.5 multiplied by 3 gives 445.5, which means the term 450.5 is incorrect.