Multiple choice

Find the missing term and complete the sequence. 4, 7, ?, 19, 28, 39

  1. 14

  2. 13

  3. 12

  4. 11

  5. 10
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C Correct answer
Explanation

The sequence follows a pattern of adding consecutive odd numbers starting from 3: 4+3=7, 7+5=12, 12+7=19, 19+9=28, 28+11=39. The missing term is 12.

AI explanation

The differences between the consecutive terms of this sequence are consecutive odd numbers. The series begins by adding 3 to 4, and the later steps show adding 9 and 11. Following the pattern of adding consecutive odd numbers, the missing term is found by adding 5 to 7, which gives 12. The missing term is 12.

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