Answer - Week 25 - Monday
21-Jun-12
In a supermarket, the first 25 customers of the day purchased an average of two items each.
After a further 15 customers, the average number of items purchased by each customer rose to eight.
What was the average number of items purchased by the last 15 customers only?
Answer: 18.
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- Author:
- Puzzle Editor
- Publisher:
- British Mensa
- Date:
- 21-Jun-12
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