expert Set 70 Logic Puzzle

Expert Sequence Pattern #70

Title
Expert Sequence Pattern #70
SequenceType
seq-rule-based
DisplaySequence
  • 2
  • 6
  • 12
  • 20
  • _
  • 42
  • _
  • _
  • _
  • 110
FullSequence
  • 2
  • 6
  • 12
  • 20
  • 30
  • 42
  • 56
  • 72
  • 90
  • 110
BlankPositions
  • 4
  • 6
  • 7
  • 8
Answers
  • 30
  • 56
  • 72
  • 90
Rule
n × (n+1) for n = 1, 2, 3 …
Question
Find the 4 missing terms in the sequence: 2, 6, 12, 20, _, 42, _, _, _, 110
SequenceLength
10
Hint
Multiply n by (n+1) for each position.