Spot the odd one out

Exercise and reference answers

Questions

1. Items

   1. Circle
   2. Parabola
   3. Ellipse
   4. Cylinder

   Odd item

   Cylinder

2. Items

   1. Cube
   2. Thin strip
   3. Elementary area
   4. Definite integral

   Odd item

   Cube

3. Items

   1. y dx
   2. x dy
   3. Strip area
   4. Negative area

   Odd item

   Negative area

4. Items

   1. Vertical strip
   2. Horizontal strip
   3. Diagonal strip
   4. Elementary strip

   Odd item

   Diagonal strip

Instructions

Tap the item that does not belong with the others.

Explanation