13. If n is divided by 6, the remainder is 4. If 2n is divided by 6, then what will be the remainder? (1) 0 (2) 2 (3) 1 (4) 4 del
Solution 13. (2) According to the question, n=69 + 4 = 2n=12q + 8 = 6(2q + 1) + 2 Thus, when 2n is divided by 6, the remainder will be 2.
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