expert Set 68 Logic Puzzle

Expert Sequence Pattern #68

Title
Expert Sequence Pattern #68
SequenceType
seq-numbers
DisplaySequence
  • 5
  • 1
  • -3
  • _
  • -11
  • -15
  • _
  • _
  • _
  • -31
FullSequence
  • 5
  • 1
  • -3
  • -7
  • -11
  • -15
  • -19
  • -23
  • -27
  • -31
BlankPositions
  • 3
  • 6
  • 7
  • 8
Answers
  • -7
  • -19
  • -23
  • -27
Rule
Subtract 4 each time (start at 5)
Question
Find the 4 missing terms in the sequence: 5, 1, -3, _, -11, -15, _, _, _, -31
SequenceLength
10
Hint
Look at the difference between each consecutive pair.