150- At minimum, how many subsets must be chosen from the set $\{7, \ldots, 3, 2, 1\}$ so that we are certain that two subsets share a common element?
(4) $46$ (3) $45$ (2) $64$ (1) $65$
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Control Code: 122 ADownload of questions and descriptive answer keys of the national entrance exam from the Riazi Sara website
www.riazisara.irNational University Entrance Exam for Universities and Higher Education Institutions of the Country --- Year 1401Mathematical and Technical Sciences Group Specialized Exam| Notes | Response Time | To Question No. | From Question No. | Number of Questions | Subject |
| 70 questions | 50 minutes | 190 | 151 | 40 | Physics |
| 80 minutes | 30 minutes | 220 | 191 | 30 | Chemistry |
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Physics $\leftarrow$
122-A $\rightarrow$
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