medium Set 78 Logic Puzzle

Medium Sequence Pattern #78

Title
Medium Sequence Pattern #78
SequenceType
seq-arithmetic
DisplaySequence
  • 15
  • 3
  • -9
  • _
  • _
  • -45
  • -57
  • -69
FullSequence
  • 15
  • 3
  • -9
  • -21
  • -33
  • -45
  • -57
  • -69
BlankPositions
  • 3
  • 4
Answers
  • -21
  • -33
Rule
Subtract 12 each time (start at 15)
Question
Find the 2 missing terms in the sequence: 15, 3, -9, _, _, -45, -57, -69
SequenceLength
8
Hint
Look at the difference between each consecutive pair.