The number which best completes the sequence below is:

1 1 3 2 4 6 5 25 ?

1 1 3 2 4 6 5 25 ?

The number which best completes the sequence below is:

1 1 3 2 4 6 5 25 ?

1 1 3 2 4 6 5 25 ?

27 Why? Pattern is X answer, +2, -1, repeat #### 1x1=1+2=3-1=2 x2=4+2=6-1=5 x5=25+2=__27__-1=26 x26= etc etc

Perhaps the pairs 1, 1; 2, 4; 5, 25 are each a number and its square.

The number 2 appears to be 1 less than 3 (the number before it).

The number 5 appears to be 1 less than 6 (the number before it).

The next number in sequence would be the next number in the series 3, 6, __. My first choice for that number would be 9 (an arithmetic series with a difference of 3). My second choice for the next number in sequence would be 12 (a geometric series with a multiplier of 2).

##### 9 is a reasonable guess for the next number.

This assumes the series continues

9 8 64 12 11 121 15 14 196 ...

The number 2 appears to be 1 less than 3 (the number before it).

The number 5 appears to be 1 less than 6 (the number before it).

The next number in sequence would be the next number in the series 3, 6, __. My first choice for that number would be 9 (an arithmetic series with a difference of 3). My second choice for the next number in sequence would be 12 (a geometric series with a multiplier of 2).

9 8 64 12 11 121 15 14 196 ...

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