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Subjects
Mathematics State Board
Class 8
Information Processing
Fibonacci Numbers, HCF and Cryptology

1. Multiple choice questions I

Exercise condition:

3 m.

1. What is the eleventh Fibonacci number?

\(77\)
\(144\)
\(89\)
\(55\)

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

\(F(8) = F(7) - F(6)\)
\(F(8) = F(9) + F(10)\)
\(F(8) = F(10) \times F(9)\)
\(F(8) = F(7) + F(6)\)

3. Every \(3rd\) number of the Fibonacci sequence is a multiple of ____________.

\(2\)
\(3\)
\(8\)
\(5\)

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