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  • Sequences And Series
  • Tests in 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,

    $10$

    $12$

    $16$

    $32$

  • 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

    $16$

    $-16$

    $32$

    $-32$

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

    $25$

    $1$

    $19$

    $22$

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

    $12$

    $9$

    $18$

    $6$

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

    $4$

    $8$

    $16$

    $32$