Sequence Pattern Seq Numbers Hard — Set 62

Hard Sequence Pattern #62

Title

Hard Sequence Pattern #62

SequenceType

seq-numbers

DisplaySequence

• 1
• _
• 21
• 31
• _
• 51
• 61
• _
• 81
• 91

FullSequence

• 1
• 11
• 21
• 31
• 41
• 51
• 61
• 71
• 81
• 91

BlankPositions

• 1
• 4
• 7

Answers

• 11
• 41
• 71

Rule

Add 10 each time (start at 1)

Question

Find the 3 missing terms in the sequence: 1, _, 21, 31, _, 51, 61, _, 81, 91

SequenceLength

10

Hint

Look at the difference between each consecutive pair.