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1. |
There are two examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students |
A. | 20 |
B. | 80 |
C. | 100 |
D. | 200 |
Answer» D. 200 | |