Write down the following sets:
(i) The set whose elements are 2, 4, 5, 8 and 10.
(ii) The set consisting of only one element, namely 3.
(iii) The set which has no element at all.
(iv) The set of boys Ram, Karim, Stephen, Bhola and Gattu.
(v) The set of possible number of boys in a family with three children
(vi) The set of natural numbers.
(vii) The set of non-negative real numbers.
(viii) The set of real numbers lying between – 1 and 3 (both inclusive).
(ix) The set of medical colleges in India.
(x) The class of sets whose elements are sets B, N, X and the null set.