RRB NTPC · Advanced Sequence Rules

Exercise and reference answers

Matching pairs

1. Left

   Next in: 8, 27, 64, 125, ?

   Right

   216

2. Left

   Next in: 3, 7, 15, 31, 63, ?

   Right

   127

3. Left

   Next in: 4, 9, 25, 49, ?

   Right

   121

4. Left

   Next in: 729, 243, 81, 27, ?

   Right

   9

Instructions

Determine the next number in each sequence