hard Set 79 Logic Puzzle

Hard Sequence Pattern #79

Title
Hard Sequence Pattern #79
SequenceType
seq-mixed
DisplaySequence
  • 2
  • _
  • 7
  • 21
  • _
  • 24
  • 17
  • _
  • 22
  • 30
FullSequence
  • 2
  • 18
  • 7
  • 21
  • 12
  • 24
  • 17
  • 27
  • 22
  • 30
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 18
  • 12
  • 27
Rule
Two interleaved arithmetic sequences
Question
Find the 3 missing terms in the sequence: 2, _, 7, 21, _, 24, 17, _, 22, 30
SequenceLength
10
Hint
Look at every other term separately.