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Puzzle 17 


What number comes next in this sequence:

1 · 3 · 6 · 11 · 18 · ?

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Puzzle 18 


Below, 10 nine-letter words have been broken into chunks of three letters.

These chunks have been mixed up, no chunk is used twice, and all of the chunks are used.

Can you determine the 10 original words?
rbr tim sag tel lig ent
hea dli ble whi htn fer
car age esc ing ind wat
til hai ush dif eta new
rlw all erf ope ent ght

Puzzle Copyright © Kevin Stone

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Puzzle 19 


Tuif cumzye if n fizpye trsg go sre hbw ensl n EOG13 caet eaceyctrd phzmlr paa oe. Rvrrl btuee yegtrr hns brea poavrrgeq go RBT13 aad tue oghrr lrtgees aee lrfg ns tuel jeee. Oug, ybu mny afk, jhnt if ghr cumzye? Wrly, hbw mnnl joedf nrr vn tuif cumzye!

Puzzle Copyright © Kevin Stone

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Puzzle 20 


Water is to ice …

… as steam is to ?

Puzzle Copyright © Kevin Stone

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