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Can you take this quiz? 

Given the following programs (assume no syntax error), what is displayed/printed?  #include int main() {    int b = 5;    switch (b) {        case 1 … 3:            b = b + 10;              break;        case 4 … 6:            b = b * 2 – 1;           default:            b = b / 2 + 4;              break;    }    printf(“b = %d\n”, b);    return 0;}

Question e. Does your code work for num=-20 (Y/N), why? Extra question: If No what you can change to make it work with negative num (if Y or if you added this part it will be extra 3 point)

c. How many time the if() condition is effective?

Evaluate the following expression statements given the following variable initialization:   int x = 5, y = 10, z = 20, m = 26;  printf(“%d”,(x + y < z) && !(m % 5 == 1));

Rewrite the following if-else statement using switch-case statement.  int n = 3; int result; if (n

Question b- What the purpose of the if statement in if (file_ptr == NULL)

Question c. Complete the function digitSum(int n) so that it works correctly for negative numbers. Describe the approach used in your implementation using comments within your code.

Question b- Write the line for calling the function within the main

Question a- write the statement at A to open “numbers.txt” to read from.