Ex 1.1 Class 8 Maths Question 10.Write:(i) The rational number that does not have a reciprocal.(ii) The rational numbers that are equal to their reciprocals.(iii) The rational number that is equal to its negative.

(i) 0 is the rational number which does not have its reciprocal [∵ 10 is not defined] (ii) Reciprocal of 1 = 11 = 1 Reciprocal of -1 = 1−1 = -1 Thus, 1 and -1 are the required rational numbers. (iii) 0 is the rational number which is equal to its negative.