Multiple choice

Find the missing term in the number series. 1, 1, 2, 3, 5, ___, 13, and so on.

  1. 6

  2. 7

  3. 8

  4. 9
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the Fibonacci sequence where each term is the sum of the two preceding terms: 1+1=2, 1+2=3, 2+3=5, 3+5=8.

AI explanation

This sequence is a Fibonacci series where each term is the sum of the two preceding terms. Adding the fifth term 5 and the sixth term 8 gives the missing seventh term as 13, which means the missing term before 13 is found by adding 3 and 5. Adding 3 and 5 yields 8.

Keep practicing — related questions