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When "N" is divided by "4" the remainder is '3' what is the remainder when "2N" is divided by 4? a) 1 b) 2 c) 3 d) 4 |
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Answer» Correct option: (b) 2 Explanation: Q = Quotient N = 4Q + r ⇒ N = 4Q + 3 When '2N' is divided by 4.. 2N = 2 (4q + 3) ⇒ 2N = 8q + 6 2N = 4 (2q + 1) + 2 Remainder = 2 |
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