Sequence Pattern Seq Numbers Hard — Set 20

Hard Sequence Pattern #20

Title

Hard Sequence Pattern #20

SequenceType

seq-numbers

DisplaySequence

• 18
• _
• -2
• -12
• _
• -32
• -42
• _
• -62
• -72

FullSequence

• 18
• 8
• -2
• -12
• -22
• -32
• -42
• -52
• -62
• -72

BlankPositions

• 1
• 4
• 7

Answers

• 8
• -22
• -52

Rule

Subtract 10 each time (start at 18)

Question

Find the 3 missing terms in the sequence: 18, _, -2, -12, _, -32, -42, _, -62, -72

SequenceLength

10

Hint

Look at the difference between each consecutive pair.