A series of natural numbers ๐น1, ๐น2, ๐น3, ๐น4, ๐น5, ๐น6, ๐น7, โ€ฆ obeys ๐น๐‘›+1โ€ฆ

2023

A series of natural numbers ๐น1, ๐น2, ๐น3, ๐น4, ๐น5, ๐น6, ๐น7, โ€ฆ obeys ๐น๐‘›+1 = ๐น๐‘› + ๐น๐‘›โˆ’1 for all integers ๐‘› โ‰ฅ 2 .

If ๐น6 = 37, and ๐น7 = 60, then what is ๐น1 ?

Answer: A. 4

  1. A.

    4

  2. B.

    5

  3. C.

    8

  4. D.

    9

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Correct answer: A

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