Multiple choice

Find the missing number in following number series 12 14 20.5 ? 47 67

  1. 30.5

  2. 31.5

  3. 35.93

  4. 39.23

  5. 40.75
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pattern in the differences increases by 4.5 each time: 2, 6.5, 11, 15.5, 20. Adding these to each term: 12+2=14, 14+6.5=20.5, 20.5+11=31.5, 31.5+15.5=47, 47+20=67. The missing term is 31.5.

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