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Home ‣ Logical Reasoning ‣ Number Series See What Others Are Saying!
  • Question

  • Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?


  • Options
  • A. (1/3)
  • B. (1/8)
  • C. (2/8)
  • D. (1/16)

  • Correct Answer
  • (1/8) 

    Explanation
    This is a simple division series; each number is one-half of the previous number.

    In other terms to say, the number is divided by 2 successively to get the next result.

    4/2 = 2
2/2 = 1
1/2 = 1/2
(1/2)/2 = 1/4
(1/4)/2 = 1/8 and so on.

    More questions

    • 1. Choose the picture that would go in the empty box so that the two bottom pictures are related in the same way as the top two:

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
      • Discuss
    • 2. Which word does NOT belong with the others?

    • Options
    • A. couch
    • B. rug
    • C. table
    • D. chair
      • Discuss
    • 3. Which word does NOT belong with the others?

    • Options
    • A. eel
    • B. lobster
    • C. crab
    • D. shrimp
      • Discuss
    • 4. 14 14 26 26 38 38 50

    • Options
    • A. 60 72
    • B. 50 62
    • C. 50 72
    • D. 62 62
    • E. 62 80
      • Discuss
    • 5. All guilty politicians were arrested. Kishan and Chander were among those arrested.

    • Options
    • A. All politicians are guilty.
    • B. All arrested people are politicians.
    • C. Kishan and Chander were not politicians.
    • D. Kishan and Chander were guilty.
      • Discuss
    • 6. Statement: Is caste-based reservation policy in professional colleges justified?

      Arguments:

      1. Yes. The step is a must to bring the underprivileged at par with the privileged ones.
      2. No. It obstructs the establishment of a classless society.
      3. Yes. This will help the backward castes and classes of people to come out of the oppression of upper caste people.


    • Options
    • A. Only I and II are strong
    • B. Only II is strong
    • C. Only II and III are strong
    • D. Only I and III are strong
    • E. All are strong
      • Discuss
    • 7. Statement: 'Guests should be provided lunch.' - A tells B.

      Assumptions:

      1. Unless told, lunch may not be provided.
      2. Guests will stay during lunch time.


    • Options
    • A. Only assumption I is implicit
    • B. Only assumption II is implicit
    • C. Either I or II is implicit
    • D. Neither I nor II is implicit
    • E. Both I and II are implicit
      • Discuss
    • 8. Which word does NOT belong with the others?

    • Options
    • A. dodge
    • B. flee
    • C. duck
    • D. avoid
      • Discuss
    • 9. Statement: Should agriculture in rural India be mechanized?

      Arguments:

      1. Yes. It would lead to higher production.
      2. No. Many villagers would be left unemployed.


    • Options
    • A. Only argument I is strong
    • B. Only argument II is strong
    • C. Either I or II is strong
    • D. Neither I nor II is strong
    • E. Both I and II are strong
      • Discuss
    • 10. 28 25 5 21 18 5 14

    • Options
    • A. 11 5
    • B. 10 7
    • C. 11 8
    • D. 5 10
    • E. 10 5
      • Discuss

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