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 Puzzle 1161 What number comes next in this sequence: 1 2 2 4 8 11 33 37 148 ==?== [Ref: ZHSX] © Kevin Stone Hint: The sequence involves both adding and multiplying in some way. Answer: 153. The sequence is created using: +1 x1 +2 x2 +3 x3 +4 x4 +5. Puzzle 1162 Can you find three words... ...which contain two consecutive i's. [Ref: ZVKU] Hint: The words begin with the letters R, S, T. Answer: RADII, SKIING, TAXIING. You could also have GENII. Puzzle 1163 If you have a very tight nut on a bolt, what is the best way to free it: Heat it, cool it, either, neither? [Ref: ZDBK] Hint: Do things get larger or smaller when you heat them? Answer: Heat it. The nut will increase in size more than the bolt, this makes the hole in the nut larger so freeing the joint. Puzzle 1164 What animal comes next in this sequence: dog rooster monkey sheep horse snake [Ref: ZJJD] Hint: Calendar. Answer: Dragon. From the Chinese calendar in reverse order.