It is popularly said that any two students are not alike. This means
(a) Each and every student differ in their physical and mental set up
(b) They differ in their familiar and social status
(c) They are different in their mental set up
(d) All of the above
(a) Each and every student differ in their physical and mental set up
(b) They differ in their familiar and social status
(c) They are different in their mental set up
(d) All of the above