Sec3.c

#include <stdio.h>

int main()
{
    int number;
    int start;
    int end;
    printf("Please enter the number: \n");
    scanf("%d", &number);
    printf("Please enter the start number: \n");
    scanf("%d", &start);
    printf("Please enter the end number: \n");
    scanf("%d", &end);

    while(start<=end)
    {
        printf("%d x %d = %d\n", number, start, number*start);
        start++;
    }
}