C Programming
What is the difference between a declaration and a definition of a variable?

A definition occurs once, but a declaration may occur many times.
Both can occur multiple times, but a declaration must occur first.
There is no difference between them.
A declaration occurs once, but a definition may occur many times.
Both can occur multiple times, but a definition must occur first.

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C Programming
"My salary was increased by 15%" Select the statement, which will EXACTLY reproduce the line of text above.

printf("My salary was increased by 15%!");
printf("My salary was increased by 15'%'!");
printf("My salary was increased by 15/%!");
printf("My salary was increased by 15%%!");

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