Puzzle of the Day : 9
Cups and Balls
GISYERLOOT FAIR had arrived in town . “Roll up! Roll up!” shouted one stall owner . “A prize for guessing the number of balls under the cups!”
On the counter in front of him were four upturned cups. Each concealed the same number of balls . On each cup was a statement about the number of balls underneath. From left to right they read as follows.
“One or four,” “Two or four,” “Two or three,” or “One or two,” . Only one of the four statements was correct .
How many balls were under a cup and which statement was true ?