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  • Brain Teasers- 2
  • Directions: Find the wrong number in the following series...
Multiple choice

Directions: Find the wrong number in the following series.

1 2.5 5.5 10 16 20.5 32.5

  1. 2.5

  2. 5.5

  3. 20.5

  4. 32.5

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

1 + 1.5 =  2.5 2.5 + 3 = 5.5 5.5 + 4.5 = 10 10 + 6 = 16 16 + 7.5 = 23.5 23.5 + 9 = 32.5 Thus, 16 + 7.5 = 23.5 

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