Multiple choice

Find the next term of the following series. 2, 3, 5, 8, 13, ...

  1. 15

  2. 17

  3. 19

  4. 21
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D Correct answer
Explanation

This is a Fibonacci sequence where each term is the sum of the two preceding terms. The last two terms are 8 and 13, so the next term is 8 + 13 = 21.

AI explanation

This is a Fibonacci sequence where every term is the sum of the two preceding terms. We can verify this because 2 plus 3 equals 5, and 5 plus 8 equals 13. Adding the last two numbers, 8 and 13, gives the next term as 21.

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