MCQOPTIONS
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MCQOPTIONS
| 1. |
Let d(n) denote the number of positive divisors of a positive integer n. Which of the following are correct?1. d(5) = d(11)2. d(5).d(11) = d(55)3. d(5) + d(11) = d(16)Select the correct answer using the code given below: |
| A. | 1 and 3 only |
| B. | 1 and 2 only |
| C. | 2 and 3 only |
| D. | 1,2 and 3 |
| Answer» C. 2 and 3 only | |