expert Set 20 Logic Puzzle

Expert Sequence Pattern #20

Title
Expert Sequence Pattern #20
SequenceType
seq-mixed
DisplaySequence
  • 9
  • 13
  • _
  • 18
  • 13
  • 23
  • _
  • _
  • _
  • 33
FullSequence
  • 9
  • 13
  • 11
  • 18
  • 13
  • 23
  • 15
  • 28
  • 17
  • 33
BlankPositions
  • 2
  • 6
  • 7
  • 8
Answers
  • 11
  • 15
  • 28
  • 17
Rule
Two interleaved arithmetic sequences
Question
Find the 4 missing terms in the sequence: 9, 13, _, 18, 13, 23, _, _, _, 33
SequenceLength
10
Hint
Look at every other term separately.