Spot the one that does not belong

Exercise and reference answers

Questions

1. Items

   1. 2, 4, 8
   2. 2, 4, 6
   3. 3, 9, 27

   Odd item

   2, 4, 6

2. Items

   1. Sequence
   2. Series
   3. Common ratio

   Odd item

   Common ratio

3. Items

   1. Constant difference
   2. Constant ratio
   3. Geometric progression

   Odd item

   Constant difference

Explanation