expert Set 91 Logic Puzzle

Expert Sequence Pattern #91

Title
Expert Sequence Pattern #91
SequenceType
seq-mixed
DisplaySequence
  • 6
  • 12
  • 9
  • 15
  • _
  • 18
  • _
  • _
  • _
  • 24
FullSequence
  • 6
  • 12
  • 9
  • 15
  • 12
  • 18
  • 15
  • 21
  • 18
  • 24
BlankPositions
  • 4
  • 6
  • 7
  • 8
Answers
  • 12
  • 15
  • 21
  • 18
Rule
Two interleaved arithmetic sequences
Question
Find the 4 missing terms in the sequence: 6, 12, 9, 15, _, 18, _, _, _, 24
SequenceLength
10
Hint
Look at every other term separately.