Find the average. largest, smallest number and mode of a int array

Question

Hi I am trying to make a program where the user can enter up to 25 numbers and then it tells the user the average, smallest and largest number and the mode of the numbers entere

Answer 1

var smallest = AverageArray.Min();
var largest = AverageArray.Max();
var mode = AverageArray.GroupBy(v => v)
            .OrderByDescending(g => g.Count())
            .First()
            .Key;

Answer 2

public static double LargestNumber(int[] Nums, int Count)
{
    double max = Nums[0];

    for (int i = 1; i < Count; i++)
        if (Nums[i] > max) max = Nums[i];

    return min;
}
public static double SmallestNumber(int[] Nums, int Count)
{
    double min = Nums[0];

    for (int i = 1; i < Count; i++)
        if (Nums[i] < min) min = Nums[i];

    return min;
}
public static double Mode(int[] Nums, int Count) 
{
    double mode = Nums[0];
    int maxCount = 1;

    for (int i = 0; i < Count; i++) 
    {
       int val = Nums[i];
       int count = 1;
       for (int j = i+1; j < Count; j++)
       {
          if (Nums[j] == val) 
             count++;
       }
       if (count > maxCount) 
       {
            mode = val;
            maxCount = count;
       }
    }
    return mode;
}

Answer 3

If you don't know how to use linq

   /*Assign Initial Value*/
        int highestNum = numberArray[0];
        int lowestNum = numberArray[0];
        int sum = 0;

        foreach (int item in numberArray)
        {
            /*Get The Highest Number*/
            if (item > highestNum)
            {
                highestNum = item;
            }
            /*Get The Lowest Number*/
            if (item < highestNum)
            {
                lowestNum = item;
            }
            //get the sum
            sum = item + sum;
        }            

        //display the Highest Num
        Console.WriteLine(highestNum);
        //display the Lowest Num
        Console.WriteLine(lowestNum);
        //Display The Average up to 2 decimal Places
        Console.WriteLine((sum/numberArray.Length).ToString("0.00"));