MCQOPTIONS
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| 1. |
If A is coded as ‘+’, B is coded as ‘x’, C is coded as ‘÷’ and D is coded as ‘-‘, then18 A 6 B 2 C 16 B 4 D 21 =? |
| A. | 2 |
| B. | -1 |
| C. | 0 |
| D. | 1 |
| Answer» D. 1 | |