Multiple choice

The 8th term of the sequence 1, 1, 2, 3, 5, 8 ............... is

  1. 25

  2. 24

  3. 23

  4. 21

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D Correct answer
Explanation

The sequence is the Fibonacci sequence: 1, 1, 2, 3, 5, 8, 13, 21. The 8th term is 21.

AI explanation

This sequence is the Fibonacci sequence, where each term is the sum of the two preceding ones. To find the 8th term, we add the 6th and 7th terms. Adding 8 and 13 gives 21.