Question

Wat comes next? 1,1,2,3,5,8,13?

Answer 1

Answer:

21

Step-by-step explanation:

Sum of the last two numbers

Answer 2

In the following series, the next number is the sum of the previous 2 numbers

1 + 1 = 2

1 + 2 = 3

2 + 3 = 5

and so on..

For the number after 13, you have to take the sum of the previous two numbers, that is 13 and 8

8 + 13 = 21

The next number is 21

Additional Info-

This series is called the Fibonacci series,

ans the ratio of two consecutive numbers (eg 3/5, 5/8) is called the golden ratio.