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Odd Man Out and Series

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  1. 36, 54, 18, 27, 9, 18.5, 4.5 ?
    1. 4.5
    2. 18.5
    3. 54
    4. 18
Correct Option: B

The terms are alternately multiples by 1.5 and divided by 3. However 18.5 does not satisfy it.


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