What will happen while using pass by reference

Question - What will happen while using pass by reference

Options:

A . The values of those variables are passed to the function so that it can manipulate them

B . The location of variable in memory is passed to the function so that it can use the same memory area for its processing

C . The function declaration should contain ampersand (& in its type declaration)

D . All of the mentioned

Answer: Option B

In pass by reference, we can use the function to access the variable and it can modify it. Therefore we are using pass by reference.

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