Sequences And Series

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This quiz is a preparation for the end of year examination.

Questions and Answers
  • 1. 

    Find k given the consecutive arithmetic term:k - 1, 2k + 3, 7 - k

    • A.

      4

    • B.

      -1

    • C.

      0

    Correct Answer
    C. 0
  • 2. 

    Find k given that the following are consecutive terms of a geometric sequence:k, k + 8, 9k

    • A.

      14 or 5

    • B.

      -2 or 4

    • C.

      2

    Correct Answer
    B. -2 or 4
  • 3. 

    Find the first term of the sequence 12, 6, 3, 1.5, ... which is less than 0.0001

    • A.

      U18

    • B.

      U27

    • C.

      U19

    Correct Answer
    A. U18
  • 4. 

    Find the sum of 50 + 48.5 + 47 + 45.5 + .... to 80th term (Arithmetic series)

    • A.

      - 1498

    • B.

      - 973

    • C.

      - 740

    Correct Answer
    C. - 740
  • 5. 

    Find the sum of 6 - 3 + 1.5 - 3/4 + .... to 15th term

    • A.

      - 4.799

    • B.

      23.9766

    • C.

      4.0001

    Correct Answer
    C. 4.0001

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  • Current Version
  • Jan 11, 2013
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 27, 2010
    Quiz Created by
    Amira_g

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