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Test Title:

Tests in Sequences And Series

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Current: Geometric Series Test
  • Q1:
    1 pts
    Which of the following is a Geometric Series?
    1, 2, 3, 4,...
    1, -1, 1,-1,...
    2, 4, 6, 8,...
    2, 3, 5, 8,...
  • Q2:
    1 pts
    Which of the following is not a Geometric Series?
    1,-1, 1, -1,...
    1, 1, 1, 1,...
    16, 8, 4, 0,...
    81, 27, 9, 3,...
  • Q3:
    1 pts
    The next term in geometric series 3, 6, 12 is

    26

    28

    24

    20

  • Q4:
    2 pts
    The next term in geometric series 16, 4, 1 is
    $-1$
    $\frac{1}{4}$
    $\frac{1}{2}$
    $-\frac{1}{4}$
  • Q5:
    2 pts
    The first term of Geometric Series is 5 the ration between subsequent numbers is 2. What is the fourth term in the series?

    20

    40

    60

    80

  • Q6:
    2 pts
    The second term of a Geometric Series is 25 and the third term is 125. What is the first term in the series?

    1

    5

    10

    20

  • Q7:
    2 pts
    The first term of a Geometric Series is 2 and the 10th term is 2. What is the 100th term in the series?

    2

    20

    200

    20000

  • Q8:
    3 pts
    What is the 10-th term in this series 64,32,16
    $\frac{1}{2}$
    $\frac{1}{4}$
    $\frac{1}{8}$
    $\frac{1}{16}$
  • Q9:
    3 pts
    What is the sum of the first 6 terms in this series 3,6,12,...

    279

    179

    289

    189

  • Q10:
    3 pts
    $1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{8}. . . = ?$
    $\infty$
    $1$
    $2$