Spot the one that does not belong

Exercise and reference answers

Questions

1. Items

   1. newton
   2. metre
   3. kilogram

   Odd item

   newton

2. Items

   1. second
   2. joule
   3. ampere

   Odd item

   joule

3. Items

   1. Length
   2. Mass
   3. Force

   Odd item

   Force

4. Items

   1. watt
   2. kelvin
   3. mole

   Odd item

   watt

Explanation