Odd Man Out and Series


  1. 385, 462, 572, 396, 427, 671, 264 ?
    1. 385
    2. 427
    3. 671
    4. 264

  1. View Hint View Answer Discuss in Forum

    The middle digit is sum of the other two.

    Correct Option: B

    In each number except 427, the middle digit is sum of the other two.


  1. 1, 8, 27, 64, 124, 216, 343 ?
    1. 8
    2. 27
    3. 64
    4. 124

  1. View Hint View Answer Discuss in Forum

    The number are 13, 23, 33, 43 etc. So, 124 is wrong. It must have been 53 i.e., 125.

    Correct Option: D

    The number are 13, 23, 33, 43 etc. So, 124 is wrong. It must have been 53 i.e., 125.



  1. 19, 28, 39, 52, 67, 84, 102 ?
    1. 52
    2. 102
    3. 84
    4. 67

  1. View Hint View Answer Discuss in Forum

    The pattern is x2 + 3, where x = 4, 5, 6, 7, 8, 9 etc. But 102 is out of pattern.

    Correct Option: B

    The pattern is x2 + 3, where x = 4, 5, 6, 7, 8, 9 etc. But 102 is out of pattern.


  1. 4, 9, 19, 39, 79, 160, 319 ?
    1. 319
    2. 160
    3. 79
    4. 39

  1. View Hint View Answer Discuss in Forum

    Double the number and add 1 to it, to get the next number. So, 160 is wrong.

    Correct Option: B

    Double the number and add 1 to it, to get the next number. So, 160 is wrong.



  1. 9, 12, 11, 14, 13, (...), 15 ?
    1. 12
    2. 16
    3. 10
    4. 17

  1. View Hint View Answer Discuss in Forum

    Alternately, we add 3 and subtract 1.

    Correct Option: B

    Alternately, we add 3 and subtract 1.