1. With the statement,

int grades[] = {70,80,90,100,50};

What is statement to change the array element 100 to 99?

a. grades[3]=99;

b. grades(3)=99;

c. grades(4)=99;

d. grades[4]=99;

2. With the statement,

int grades[] = {70,80,90,100,50};

What is statement to assign user input to array element 70?

a. scanf(%d, grades[0]);

b. scanf(%d, grades[1]);

c. scanf(%d, &grades[0]);

d. scanf(%d, &grades[1]);

3.

With the statement,

int values[10] = {1,2,3,4,5};

printf(%d, values[9]);

What is the output?

a. 10

b. 0

c. 9

d. runtime error

4. With the statement,

int values[][]={{1,2},{3,4},{5,6},{7,8},{9,10}};

What is the array size?

a.values[2][5]

b. values[1][10]

c. values[5][2]

d. values[10][1]