easy Set 66 Logic Puzzle

Easy Sequence Pattern #66

Title
Easy Sequence Pattern #66
SequenceType
seq-mixed
DisplaySequence
  • 3
  • 15
  • 6
  • 17
  • 9
  • 19
  • 12
  • _
FullSequence
  • 3
  • 15
  • 6
  • 17
  • 9
  • 19
  • 12
  • 21
BlankPositions
  • 7
Answers
  • 21
Rule
Two interleaved arithmetic sequences
Question
Find the missing term in the sequence: 3, 15, 6, 17, 9, 19, 12, _
SequenceLength
8
Hint
Look at every other term separately.