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5/3 mod 7 =(a) 2(b) 3(c) 4(d) 5The question was posed to me during a job interview.I want to ask this question from Polynomial and Modular Arithmetic- III in chapter Basic Concepts in Number Theory and Finite Fields of Cryptograph & Network Security

Answer» CORRECT choice is (c) 4

The EXPLANATION: 5/3 MOD 7 = (5×3^-1) mod 7 = (5×5) mod 7 = 4.


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