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1. |
Count each 1 in the following sequence of numbers that is immediately followed by 2, if 2 is not immediately followed by 3. How many such l s are there? 1 2 1 3 4 5 1 2 3 5 2 1 2 6 1 4 5 1 1 2 4 1 2 3 2 1 7 5 2 1 2 5 |
A. | 2 |
B. | 4 |
C. | 5 |
D. | 7 |
Answer» C. 5 | |