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1. |
Let a1 , a2, ... , a52 be positive integers such that a1 < a2 < ... < a52 . Suppose, their arithmetic mean is one less than the arithmetic mean of a2 , a3 , ..., a52 . If a52 = 100, then the largest possible value of a1 is |
A. | 20 |
B. | 23 |
C. | 45 |
D. | 48 |
Answer» C. 45 | |