Question Detail Which is invalid name of identifier worldaddition23test_namefactorial Answer: Option Similar Questions : 1. Difference between calloc() and malloc() calloc() takes a single argument while malloc() needs two argumentsmalloc() takes a single argument while calloc() needs two argumentsmalloc() initializes the allocated memory to ZEROcalloc() initializes the allocated memory to NULL Answer: Option B 2. What will be the output of following program #include main() { int x,y = 10; x = y * NULL; printf(\"%d\",x); } error010Garbage value Answer: Option B 3. Due to variable scope in c Variables created in a function cannot be used another functionVariables created in a function can be used in another functionVariables created in a function can only be used in the main functionNone of above Answer: Option A 4. What will be output of #include void main() { char test =`S`; printf("\n%c",test); } SErrorGarbage valueNone of above Answer: Option A 5. Any type of modification on the parameter inside the function will reflect in actual variable value can be related to call by valuecall by referenceboth of abovenone of above Answer: Option B Read more from - C Programming Questions Answers - Chapter 1