MCQOPTIONS
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| 1. |
For what value of n, the sum of digits in the number (10n + 1) is 2? |
| A. | For n = 0 only |
| B. | For any whole number n |
| C. | For any positive integer n only |
| D. | For any real number n |
| Answer» C. For any positive integer n only | |