Which is larger

Exercise and reference answers

Questions

1. A

   Arithmetic mean of a and b

   B

   Geometric mean of a and b

   Higher value

   Arithmetic mean of a and b

2. A

   Sum of two numbers with mean 10

   B

   Product of two numbers with G.M. 8

   Higher value

   Product of two numbers with G.M. 8

3. A

   Ten terms of a G.P. with a and r both 2

   B

   Two to the power ten

   Higher value

   Ten terms of a G.P. with a and r both 2

4. A

   Sixteen inserted between one and 256

   B

   Four inserted between one and 256

   Higher value

   Sixteen inserted between one and 256

Instructions

Tap the side with the larger value.

Explanation