expert Set 23 Logic Puzzle

Expert Sequence Pattern #23

Title
Expert Sequence Pattern #23
SequenceType
seq-mixed
DisplaySequence
  • 5
  • 15
  • 9
  • _
  • _
  • _
  • 17
  • 21
  • _
  • 23
FullSequence
  • 5
  • 15
  • 9
  • 17
  • 13
  • 19
  • 17
  • 21
  • 21
  • 23
BlankPositions
  • 3
  • 4
  • 5
  • 8
Answers
  • 17
  • 13
  • 19
  • 21
Rule
Two interleaved arithmetic sequences
Question
Find the 4 missing terms in the sequence: 5, 15, 9, _, _, _, 17, 21, _, 23
SequenceLength
10
Hint
Look at every other term separately.