Q. Why do we write (int *) before malloc?
int *ip = (int *)malloc(sizeof(int));

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Q. Which one is used during memory deallocation in C?

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Q. Which of the following will return a result most quickly for searching a given key?

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Q. On freeing a dynamic memory, if the pointer value is not modified, then the pointer points to

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Q. calloc initialises memory with all bits set to zero.

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Q. realloc(ptr, size), where size is zero means

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Q. function fabs defined math.h header file takes argument of type integer

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Q. log(x) function defined in math.h header file is

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Q. What type of inputs are accepted by mathematical functions?

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Q. In linux, apart from including math header file, the program is successfully executed by which of the following?

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Q. Which of the following is not a valid mathematical function?

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Q. Which of the following mathematical function requires 2 parameter for successful function call?

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Q. Which mathematical function among the following does NOT require int parameters?

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Q. sin(x) returns

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Q. cos(x) returns

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Q. Which among the following mathematical function do not have a “double” return-type?

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Q. The function srand(unsigned)

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Q. Which is the best way to generate numbers between 0 to 99?

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Q. The correct way to generate numbers between minimum and maximum(inclusive) is _________________

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Q. rand() and srand() functions are used

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