medium Set 98 Logic Puzzle

Medium Sequence Pattern #98

Title
Medium Sequence Pattern #98
SequenceType
seq-visual
DisplaySequence
  • 1 dot
  • 3 dots
  • 6 dots
  • _
  • _
  • 21 dots
  • 28 dots
  • 36 dots
FullSequence
  • 1 dot
  • 3 dots
  • 6 dots
  • 10 dots
  • 15 dots
  • 21 dots
  • 28 dots
  • 36 dots
BlankPositions
  • 3
  • 4
Answers
  • 10 dots
  • 15 dots
Rule
Triangular dot patterns
Question
Find the 2 missing terms in the sequence: 1 dot, 3 dots, 6 dots, _, _, 21 dots, 28 dots, 36 dots
SequenceLength
8
Hint
Count how many are added each time.