expert Set 20 Logic Puzzle

Expert Sequence Pattern #20

Title
Expert Sequence Pattern #20
SequenceType
seq-arithmetic
DisplaySequence
  • 20
  • 5
  • _
  • -25
  • _
  • -55
  • _
  • _
  • -100
  • -115
FullSequence
  • 20
  • 5
  • -10
  • -25
  • -40
  • -55
  • -70
  • -85
  • -100
  • -115
BlankPositions
  • 2
  • 4
  • 6
  • 7
Answers
  • -10
  • -40
  • -70
  • -85
Rule
Subtract 15 each time (start at 20)
Question
Find the 4 missing terms in the sequence: 20, 5, _, -25, _, -55, _, _, -100, -115
SequenceLength
10
Hint
Look at the difference between each consecutive pair.