Question

what should be it's answer

Answer 1

Answer :

(a) Correct . Decimal expansion of a rational number can be terminating. e.g. 5/2 = 2.5

(b) Correct. Decimal expansion of a rational number can be non terminating but will be repeating. e.g. 5/3 = 1.66666......

(c) Incorrect. Decimal expansion of a rational number cannot be terminating. e.g. √2 = 1.4142135......

(d) Correct. Decimal expansion of a rational number will be non terminating and non repeating. e.g √3 = 1.732050807568877.......