medium Set 59 Logic Puzzle

Medium Sequence Pattern #59

Title
Medium Sequence Pattern #59
SequenceType
seq-mixed
DisplaySequence
  • 7
  • 15
  • 9
  • _
  • _
  • 19
  • 13
  • 21
FullSequence
  • 7
  • 15
  • 9
  • 17
  • 11
  • 19
  • 13
  • 21
BlankPositions
  • 3
  • 4
Answers
  • 17
  • 11
Rule
Two interleaved arithmetic sequences
Question
Find the 2 missing terms in the sequence: 7, 15, 9, _, _, 19, 13, 21
SequenceLength
8
Hint
Look at every other term separately.