RRB NTPC · Category Outliers

Exercise and reference answers

Matching pairs

1. Left

   Composite among 17, 19, 23, 27

   Right

   27

2. Left

   Satellite among Mars Venus Moon

   Right

   Moon

3. Left

   Volume unit among mass units

   Right

   Litre

4. Left

   Non-square among 35, 49, 64, 81

   Right

   35

Instructions

Identify the unique outlier in each set