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by oquiella » Thu Nov 05, 2015 1:16 pm
In the former Soviet Union, rubles came in denominations of 1, 3, 5, 10, 25, 50, and 100. Boris and Natasha are at the bank to change an enormous pile of 50 and 100 ruble notes, but the teller is out of 10s and is forced to give them their change in nothing but 1, 3, 5, and 25 ruble notes. Did the teller give Boris and Natasha the correct change?

(1) The teller gave Boris and Natasha 2013 notes.

(2) The teller did not give Boris and Natasha any 3 ruble notes.
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Source: — Data Sufficiency |

by [email protected] » Fri Nov 06, 2015 10:24 am
Hi oquiella,

Mitch recently offered an explanation to this question here:

https://www.beatthegmat.com/rubles-t287111.html

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