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  • A doctor gives you three pills telling you to take one ev...
Multiple choice general knowledge math & puzzles

A doctor gives you three pills telling you to take one every half hour. How many minutes would the pills last?

  1. 150

  2. 120

  3. 90

  4. 60

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The pills are taken at intervals. Pill 1 starts the clock (0 min), Pill 2 is taken at 30 min, and Pill 3 is taken at 60 min. The total duration of the 'treatment' is 60 minutes.

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