30, 50, 35, 50, 35, 20, 42, 20, 10, 40, 35, 55, 20, 45, 15, 20, 55, 40, 35, 10, 35, 30, 25, 35, 45, 50, 20, 10, 45, 20, 50, 25, 25, 15, 30, 35, 20, 10, 35, 15, 20, 10, 30, 40, 35, 50, 20, 55, 25, 10.
Which number is the odd one out? Write down as many reasons as you can think of explaining why that number is the odd one out.
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