Hint: The numbers following 102 are (ROLL OVER➔) [ 108, 138, … ].

Feel like I’m taking my SAT’s… 78

MikeInNH — " Feel like I'm taking my SAT's...." 78 You just missed! Off by [ 6 ].

If 102 were 108, 78 would fit into the pattern. As it is, I cannot pick up on a pattern. I look forward to the explanation.

I guess 72 would work, but that would be a bizarre pattern.

mark9207 — "If 102 were 108, 78 would fit into the pattern. As it is, I cannot pick up on a pattern. I look forward to the explanation." Slide cursor for another hint ➔ The numbers 4, 6, 12, 18, 30, 42, 60, 72, 102, 108, 138, ... are unique in the "immediate company they keep." This problem is more…

I didn’t realize that there were clues in the brackets that would show up if you highlighted them with the cursor (I have no idea how to do that, or any other formatting for that matter since the instructions on how to format these things got discarded with the old system). It appears that I did fi…

78 since pattern becomes add multiple of 6 increasing every two additions. 4 seems to be an outlier however. After 4 add 6 to 6, add 6 to 12 then add 12 to 18 then 12 to 30, add 18 to 42 then 18 to 60 to get 78. Finally 102 comes from adding 24 to 78.

mark9207 — "I didn't realize that there were clues in the brackets that would show up if you highlighted them with the cursor (I have no idea how to do that ..."To print a white font on a white background, use ☟ this is a white font on a white background ☚ highlight to make visible The initial post …

KenCD — "78 since pattern becomes add multiple of 6 increasing every two additions. 4 seems to be an outlier, however. After 4 add 6 to 6, add 6 to 12 then add 12 to 18 then 12 to 30, add 18 to 42 then 18 to 60 to get 78. Finally 102 comes from adding 24 to 78."No, the next number after 60 in the se…

Puzzler of 01/21/2012: What is X in the series 4, 6, 12, 18, 30, 42, 60, X, 102, ...?

The Show

MikeInNH January 22, 2012, 10:31pm 11

I switched to Firefox from chrome…I was able to see the numbers hidden. I just thought they were missing.

Interesting puzzle…

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Puzzler of 01/21/2012: What is X in the series 4, 6, 12, 18, 30, 42, 60, X, 102, ...?

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