Find odd man out in multiplication series - Java Quiz Question

Write a program to find the odd man out in the given multiplication series. If there is no odd man, then return 0.

Input (int[])	Output (int)
{20, 60, 180, 540, 1620, 4890}	4890
{2, 3, 8, 16, 32, 64}	3
{15, 32, 64, 128, 256}	15
{9, 18, 36, 72, 140, 288, 576, 1152}	140
{1, 11, 121, 1331, 14641, 161051}	0

	
		class OddManOutInMultiplicationSeries	
			{    public static void main(String s[])
    {
        int input[] = {20, 60, 180, 540, 1620, 4890};
        System.out.println("The odd man is : " + findOddManOut(input));

    }
 
			

				public static int findOddManOut(int[] input) { 

				//Write code here to find the odd man out from the given multiplication series 

				} 

			}

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