MCQOPTIONS
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| 1. |
If a + b : b + c = c + d : d + a, then |
| A. | either a = b or a + b + c + d = 0 |
| B. | either a = c or a + b + c + d = 1 |
| C. | either a = c or a + b + c + d = 0 |
| D. | None of the above |
| Answer» D. None of the above | |