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Class VIII, CBSE Mathematics Chapter 1, Rational Numbers (NCERT Math Solutions)  Exercise 1.1 Solutions (Rational Numbers)Q.1: Using appropriate properties find: Ans: (i) Method - 1 Method - 2 (ii) Method - 1 Method - 2 Q.2: Write the additive inverse of each of the following: Ans: Q.3: Verify that −(−x) = x