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Опрос |
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GMAT/Critical Thinking
If Paul comes to the party, Quentin leaves the party. If Quentin leaves the party, either Robert or Steve asks Alice to dance. If Alice is asked to dance by either Robert or Sieve and Quentin leaves the party, Alice accepts. If Alice is asked to dance by either Robert or Steve and Quentin does not leave the party, Alice does not accept.
If Quentin does not leave the party, which of the following statements can be logically deduced from the information given?
А) Robert asks Alice to dance.
В) Steve asks Alice to dance.
С) Alice refuses to dance with either Robert or Steve.
D) Paul does not come to the party.
Е) Alice leaves the party.
| ОТВЕТЫ И КОММЕНТАРИИ |
| Решение |
D) Paul does not come to the party. |
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If 20 liters of chemical X are added to 80 liters of a mixture that is 10%
chemical X and 90% chemical Y, then what percentage of the resulting mixture is
chemical X?
А) ,15
В) ,28
С) 33 1/3%
D) ,4
Е) ,6
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