Which of these has not been an Olympic sport?

   Solo synchronized swimming
   Roller Hockey
   Skipping



Swimming burns more calories than

   Walking
   Walking and Running
   Walking, Running and Cycling



The fastest ever tennis serve was recorded at

   163.4 mph
   Mach 1 – resulting in a sonic boom
   155.6 mph



Your body contains enough iron to make

   A nail one inch long
   A nail three inches long
   A set of golf clubs



At 117 years old, the oldest person in the world lives in

   Japan
   Iceland
   An Igloo