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Stage 1 - Stage 3

Consider the following sequence.

$1,2,4,6,8,10,\text{. . .}$1,2,4,6,8,10,. . .

Is the sequence a Fibonacci-type sequence (where each term is the sum of the two preceding terms)?

Yes

A

No

B

Easy

< 1min

Consider the following sequence.

$2,-1,1,0,1,1,\text{. . .}$2,−1,1,0,1,1,. . .

Easy

< 1min

Consider the following sequence.

$\pi,\pi,2\pi,3\pi,5\pi,8\pi,\text{. . .}$π,π,2π,3π,5π,8π,. . .

Easy

< 1min

Use the fact that the Fibonacci sequence is defined by $t_n=t_{n-2}+t_{n-1}$`t``n`=`t``n`−2+`t``n`−1, where $t_1=1$`t`1=1 and $t_2=1$`t`2=1, to generate terms $3$3 to $8$8.

Write all the values on the same line, separated by commas.

Easy

1min

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