Number Series


Direction: What should come in place of question mark (?) in the following number series?

  1. 16, 24, 48, 120, 360, 1260, ?
    1. 3780
    2. 4725
    3. 5355
    4. 5040
    5. 4410

  1. View Hint View Answer Discuss in Forum

    The series is x 1.5, x 2, x 2.5, x 3, x 3.5

    Correct Option: D

    The series is x 1.5, x 2, x 2.5, x 3, x 3.5


  1. 529, 841, 961, 1369, 1681, 1849, ?
    1. 2809
    2. 2601
    3. 3249
    4. 3481
    5. 2209

  1. View Hint View Answer Discuss in Forum

    The series is : 232, 292, 312, 372, 412, ..........(Square of prime numbers)

    Correct Option: E

    The series is : 232, 292, 312, 372, 412, ..........(Square of prime numbers)



  1. 20, 24, 33, 49, 74, 110 ?
    1. 133
    2. 147
    3. 159
    4. 163
    5. 171

  1. View Hint View Answer Discuss in Forum

    The series is : 22, + 32, + 42, + 52, + 62, ..........

    Correct Option: C

    The series is : 22, + 32, + 42, + 52, + 62, ..........


  1. 796, 675, 554, 433, ...?....
    1. 512
    2. 231
    3. 213
    4. 312
    5. 321

  1. View Hint View Answer Discuss in Forum

    The difference of the number is (- 121).

    Correct Option: D

    The difference of the number is (- 121).



  1. 231, 342, 453, 564, .....?.....
    1. 576
    2. 475
    3. 675
    4. 567
    5. 676

  1. View Hint View Answer Discuss in Forum

    the difference of the numbers (+ 111).

    Correct Option: C

    the difference of the numbers (+ 111).