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  • Sequences And Series
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Mixed problems

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  • Question 1:
    1 pts
    What kind of series is this? -20, -10, 0 , 10, ...
    Arithmetic
    Geometric
    Both
    none of these
  • Question 2:
    1 pts
    What kind of series is this? 12, 12, 12, 12,...
    Arithmetic
    Geometric
    Both
    none of these
  • Question 3:
    1 pts
    What kind of series is this? -1, 1, -1, 1,...
    Arithmetic
    Geometric
    Both
    none of these
  • Question 4:
    1 pts
    Find the next term in the following series. 2, 4, 8,

    1010

    1212

    1616

    3232

  • Question 5:
    2 pts
    Find the next term in the following series. 0.1, 0.5, 2.5,
    3
    5
    10
    12.5
  • Question 6:
    2 pts
    Find the next term in the following series. 1, -2, 4, -8

    1616

    16-16

    3232

    32-32

  • Question 7:
    3 pts
    The nth term in arithmetic series is given by an=10+3(n2)a_n= 10 + 3(n � 2) . The 5th term is:

    2525

    11

    1919

    2222

  • Question 8:
    3 pts
    The nth term in geometric series is given by an=23na_n= 2\cdot3^n . The second term is:

    1212

    99

    1818

    66

  • Question 9:
    3 pts
    The nth term in arithmetic series is given by an=34n+14 a_n= \frac{3}{4} - \frac{n+1}{4} The 4th term is:
    11
    12\frac{1}{2}
    12-\frac{1}{2}
  • Question 10:
    3 pts
    The nth term in geometric series is given by an=122n2 a_n= \frac{1}{2} \cdot 2^{n-2} The 6th term is:

    44

    88

    1616

    3232