Odd Man Out and Series


  1. 835, 734, 642, 751, 853, 981, 532 ?
    1. 751
    2. 853
    3. 981
    4. 532

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    The difference of third and first digit is the middle one .

    Correct Option: A

    In each number except 751, the difference of third and first digit is the middle one .


  1. 8, 27, 64, 100, 125, 216, 343 ?
    1. 27
    2. 100
    3. 125
    4. 343

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    The pattern is 23, 33, 43, 53, 63, 73 .

    Correct Option: B

    The pattern is 23, 33, 43, 53, 63, 73.

    But 100 is not a perfect cube



  1. 1, 4, 9, 16, 20, 36, 49 ?
    1. 1
    2. 9
    3. 20
    4. 49

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    The pattern is 12, 22, 32, 42, 52, 62, 72 .

    Correct Option: C

    The pattern is 12, 22, 32, 42, 52, 62, 72 .

    But, instead of 52, It is 20, which is to be turned out.


  1. 10, 25, 45, 54, 60, 75, 80 ?
    1. 10
    2. 45
    3. 54
    4. 75

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    Each of the number except 54, is a multiple of 5.

    Correct Option: C

    Each of the number except 54, is a multiple of 5.



  1. 16, 25, 36, 72, 144, 196, 225 ?
    1. 36
    2. 72
    3. 196
    4. 225

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    Each of the number except 72, is a perfect square.

    Correct Option: B

    Each of the number except 72, is a perfect square.