Aikmen Series Chapter No.2, Question No.5

Chapter No.2 Question No.5

Question No.5 : Which of the following are valid variable names in C?

No.	Identifier	Remarks
i	income	valid
ii	total marks	invalid, spaces are not allowed
iii	double	invalid,C reserve words
iv	average-score	invalid,- Symbol is not allowed
v	room#	invalid,# symbol is not allowed
vi	_area	valid
vii	no_of_students	valid
viii	long	invalid,C Reserve word
ix	item	valid
x	MAX_SPEED	valid