hard Set 37 Logic Puzzle

Hard Sequence Pattern #37

Title
Hard Sequence Pattern #37
SequenceType
seq-mixed
DisplaySequence
  • 4
  • _
  • 6
  • 19
  • _
  • 23
  • 10
  • _
  • 12
  • 31
FullSequence
  • 4
  • 15
  • 6
  • 19
  • 8
  • 23
  • 10
  • 27
  • 12
  • 31
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 15
  • 8
  • 27
Rule
Two interleaved arithmetic sequences
Question
Find the 3 missing terms in the sequence: 4, _, 6, 19, _, 23, 10, _, 12, 31
SequenceLength
10
Hint
Look at every other term separately.