Quantitative Aptitude: Number Series Set 150

  1. Directions : What will be come in place of questions ( ? ) marks in the following number series ?
    20, 45, 100, 215, ?, 925
    320
    445
    245
    380
    450
    Option E
    The series is (*2 + 5), (*2 + 10), (*2 + 15), (*2 + 20), (*2 + 25)

     

  2. 48, 65, ?, 101, 120
    81
    82
    80
    75
    72
    Option C
    The series is (7^2 – 1), (8^2 + 1), (9^2 – 1), (10^2 + 1 ), (11^2 – 1)

     

  3. 8, 72, 172, 316, 512, ?
    620
    768
    680
    540
    820
    Option B
    The series is, (+8^2), (+10^2), (+12^2), (14^2), (+16^2)

     

  4. 14, 42, 168, ?, 5040, 35280
    840
    720
    680
    320
    580
    Option A
    The series is (*3), (*4), (*5), (*6), (*7)

     

  5. 26, 43, ?, 85, 114, 145
    60
    75
    48
    62
    54
    Option D
    The series is (+17), (+19), (+23), (+29), (+31)

     

  6. Directions : What will be wrong number in the following wrong number series ?
    5, 10, 30, 150, 600, 3600
    600
    150
    3600
    5
    30
    Option B
    The series is (*2), (*3), (*4), (*5), (*6)

     

  7. 24, 16, 20, 32, 72, 184
    20
    32
    72
    184
    24
    Option B
    The series is (*.5 + 4), (*1 + 4), (*1.5 + 4), (*2 + 4), (*2.5 + 4)

     

  8. 14, 17, 27, 42, 68, 98
    14
    42
    68
    27
    98
    Option E
    The series is +(2^2 – 1), +(3^2 + 1), +(4^2 – 1), +(5^2 + 1), (6^2 – 1)

     

  9. 4, 10, 42, 254, 2034, 20362
    4
    42
    2034
    20362
    254
    Option D
    The series is, (*2 + 2), (*4 + 2), (*6 + 2), (*8 + 2), (*10 + 2)

     

  10. 34, 48, 76, 118, 174, 248
    34
    248
    76
    48
    174
    Option B
    The series is (+14), (+28), (+42), (+56), (+70)

     

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