Arrays and Strings MCQs

What will be the output of the program if the array begins at address 65486?

#include<stdio.h>
void main()
{
    int arr[] = {12, 14, 15, 23, 45};
    printf("%u, %u", arr, &arr);
}

What will be the output of the program?

#include<stdio.h>
void main()
{
    float arr[] = {12.4, 2.3, 4.5, 6.7};
    printf("%d", sizeof(arr)/sizeof(arr[0]));
}

Which of the following is correct way to define the function fun() in the below program?

#include<stdio.h>
void main()
{
    int a[3][4];
    fun(a);
}

Which of the following statements are correct about the program below?

#include<stdio.h>
void main()
{
    int size, i;
    scanf("%d", &size);
    int arr[size];
    for(i=1; i<=size; i++)
    {
        scanf("%d", arr[i]);
        printf("%d", arr[i]);
    }
}

Which of the following statements are correct about an array? 1. The array int num[26]; can store 26 elements. 2. The expression num[1] designates the very first element in the array. 3. It is necessary to initialize the array at the time of declaration. 4. The declaration num[SIZE] is allowed if SIZE is a macro.

If the two strings are identical, then strcmp() function returns

The library function used to find the last occurrence of a character in a string is

Which of the following function is used to find the first occurrence of a given string in another string?

Which of the following function is more appropriate for reading in a multi-word string?