Johnny is taller than Kitty and Carol. Kitty is taller than Sam. Kitty and Sam are taller than Nancy. Sam is shorter than Carol. Who is the shortest?
Answer
Nancy is the shortest.
There are 5 people: Johnny, Kitty, Carol, Sam and Nancy.
Johnny is taller than Kitty and Carol.
Kitty is taller than Sam.
Carol is taller than Sam.
Sam is taller than Nancy.
That leaves Nancy being the shortest.