Q.1. Identify valid variable declaration.... a) _6 = 35. b) . = 9483. C) int = 158. d) None
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Answer:
In C language, a variable name can consists of letters, digits and underscore i.e. _ . But a variable name has to start with either letter or underscore. It can't start with a digit. So valid variables are var_9 and _ from the above question.
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Answer:
a) and c)
Refer to the attachment.
Only option b gives an error.
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