hard Set 9 Logic Puzzle

Hard Sequence Pattern #9

Title
Hard Sequence Pattern #9
SequenceType
seq-mixed
DisplaySequence
  • 7
  • _
  • 11
  • 20
  • _
  • 25
  • 19
  • _
  • 23
  • 35
FullSequence
  • 7
  • 15
  • 11
  • 20
  • 15
  • 25
  • 19
  • 30
  • 23
  • 35
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 15
  • 15
  • 30
Rule
Two interleaved arithmetic sequences
Question
Find the 3 missing terms in the sequence: 7, _, 11, 20, _, 25, 19, _, 23, 35
SequenceLength
10
Hint
Look at every other term separately.