Fibonacci Numbers

Given that one pair of new born rabbits they produce a new pair each month and from the second month, each new pair can breed themselves. Find how many pairs of rabbits are bred from one pair in a year, and find the relationship between the number of months and the number of pairs of rabbits by tabulation (a pair means (a male and a female)).

The difference between the $18th$ and $17th$ Fibonacci number is

Every _____ number of the Fibonacci sequence is a multiple of $8$

Every $3^{rd}$ number of the Fibonacci sequence is a multiple of

If $F\left(n\right)$ is a Fibonacci number and $n=8,$ which of the following is true?

What is the eleventh Fibonacci number?