hard Set 63 Logic Puzzle

Hard Sequence Pattern #63

Title
Hard Sequence Pattern #63
SequenceType
seq-mixed
DisplaySequence
  • 4
  • _
  • 7
  • 19
  • _
  • 23
  • 13
  • _
  • 16
  • 31
FullSequence
  • 4
  • 15
  • 7
  • 19
  • 10
  • 23
  • 13
  • 27
  • 16
  • 31
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 15
  • 10
  • 27
Rule
Two interleaved arithmetic sequences
Question
Find the 3 missing terms in the sequence: 4, _, 7, 19, _, 23, 13, _, 16, 31
SequenceLength
10
Hint
Look at every other term separately.