Four friends: Dave, Mike, John, and Terry, are nicknamed Stick, Batman, Atomic Head, and Feaser, but not in that order. Which friend has which nickname?
A. John is faster than Batman but not as strong as Atomic Head.
B. Batman is stronger than Terry but slower than Feaser.
C. Dave is faster than both Stick and John, but not as strong as Batman
Strength and speed are independent qualities.
(from Terry Stickels)
From A John can only be Feaser or Stick; From C John can NOT be stick. John is Feaser.
From C Dave can only be Atomic Head or Feaser, but John is Feaser, so Dave is Atomic Head.
Terry can be Stick or Batman, but ffrom B Terry is not Batman, Terry is Stick,
Mike is Batman
solution
