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SBI SO Series Coding Relations — practice questions — page 4

Explore 100 free Series Coding Relations questions in SBI SO Reasoning. Open each question or exercise to read its content, reference answers and available explanation.

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Series Coding Relations questions and exercises with answers

Showing questions 91–100 of 100.

Worked practice questions

Rs 500 deposited at 10 percent compounded annually grows each year by a constant ratio of:

  1. 10.0
  2. 0.10
  3. 1.10
  4. 1.01
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Correct answer: C. 1.10

1. Each year the amount gains 10 percent. 2. So it is multiplied by 1.10. 3. The yearly amounts form a G.P. with ratio 1.10. _Source: syllabus Mathematics, Chapter 8, Sequences and Series._

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Inserting two numbers between 3 and 81 so the sequence is a G.P. gives:

  1. 6 and 9
  2. 27 and 54
  3. 12 and 36
  4. 9 and 27
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Correct answer: D. 9 and 27

1. 81 is the fourth term, so r cubed is 27. 2. That gives r equal to 3. 3. The inserted numbers are 9 and 27. _Source: syllabus Mathematics, Chapter 8, Sequences and Series._

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Catch the G.P.s

Read exercise and reference answers
Items
  1. Matches the category
    Yes
    Item
    2, 4, 8, 16
  2. Matches the category
    Yes
    Item
    5, 25, 125
  3. Matches the category
    Yes
    Item
    1, 0.01, 0.0001
  4. Matches the category
    Yes
    Item
    1, 4, 16, 64
  5. Matches the category
    Yes
    Item
    Bacteria x2
  6. Matches the category
    No
    Item
    1, 3, 5, 7
  7. Matches the category
    No
    Item
    2, 3, 5, 7
  8. Matches the category
    No
    Item
    1, 1, 2, 3, 5
Category
Geometric progression
Instructions
Catch the sequences with a constant ratio. Let the others fall.
_Source: syllabus Mathematics, Chapter 8, Sequences and Series._

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