hard Set 48 Logic Puzzle

Hard Sequence Pattern #48

Title
Hard Sequence Pattern #48
SequenceType
seq-numbers
DisplaySequence
  • 20
  • _
  • 40
  • 50
  • _
  • 70
  • 80
  • _
  • 100
  • 110
FullSequence
  • 20
  • 30
  • 40
  • 50
  • 60
  • 70
  • 80
  • 90
  • 100
  • 110
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 30
  • 60
  • 90
Rule
Add 10 each time (start at 20)
Question
Find the 3 missing terms in the sequence: 20, _, 40, 50, _, 70, 80, _, 100, 110
SequenceLength
10
Hint
Look at the difference between each consecutive pair.