hard Set 12 Logic Puzzle

Hard Sequence Pattern #12

Title
Hard Sequence Pattern #12
SequenceType
seq-mixed
DisplaySequence
  • 7
  • _
  • 11
  • 22
  • _
  • 25
  • 19
  • _
  • 23
  • 31
FullSequence
  • 7
  • 19
  • 11
  • 22
  • 15
  • 25
  • 19
  • 28
  • 23
  • 31
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 19
  • 15
  • 28
Rule
Two interleaved arithmetic sequences
Question
Find the 3 missing terms in the sequence: 7, _, 11, 22, _, 25, 19, _, 23, 31
SequenceLength
10
Hint
Look at every other term separately.