MediumTricky Riddle
A doctor gives you three pills and tells you to take one every half an hour. How long will the pills last?
Riddle
A doctor gives you three pills and tells you to take one every half an hour. How long will the pills last?
Choose an answer
A.One and a half hours
B.Two hours
C.Thirty minutes
D.One hour.
Hint: It's a 2-word phrase with 7 letters, starting with "O".
Answer
One hour.
Why this is the answer
You take the first pill immediately, the second after 30 minutes, and the third after another 30 minutes, a total span of one hour, not three half-hours.
This riddle is filed under Logic Puzzles and Brain Teasers and rated Medium.