Hello,
Could anyone tell me from which source this question is?
2 guys above said that the question is included in a non GMAT-like set. I will appreciate to know what that set is in order to avoid for further study. Thank you.
Could anyone tell me from which source this question is?
2 guys above said that the question is included in a non GMAT-like set. I will appreciate to know what that set is in order to avoid for further study. Thank you.

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