HardWorld Riddle
A rubber ball is tossed off the top of a 90 foot building. Every time it bounces, it goes back up half way. How many bounces will the ball take before it stops?
Riddle
A rubber ball is tossed off the top of a 90 foot building. Every time it bounces, it goes back up half way. How many bounces will the ball take before it stops?
Choose an answer
A.45 bounces
B.90 bounces
C.It never bounces
D.Infinite bounces in a gravity-free world; in reality gravity eventually stops it.
Hint: It's a 12-word phrase with 67 letters, starting with "I".
Answer
Infinite bounces in a gravity-free world; in reality gravity eventually stops it.
Why this is the answer
If it always rebounds exactly half the remaining height, mathematically it approaches zero but never truly reaches a final stop, making the bounces infinite in an idealized sense.
This riddle is filed under How, What, Why Riddles and rated Hard.