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Home Verbal Reasoning Arithmetic Reasoning See What Others Are Saying!
  • Question
  • Between two book-ends in your study are displayed your five favourite puzzle books. If you decide to arrange the five books in every possible combination and moved just one book every minute, how long would it take you?


  • Options
  • A. 1 hour
  • B. 2 hours
  • C. 3 hours
  • D. 4 hours

  • Correct Answer
  • 2 hours 

    Explanation
    Clearly, number of ways of arranging 5 books = 5 ! = 5 x 4 x 3 x 2 x 1 = 120.

    So, total time taken = 120 minutes = 2 hours.


    More questions

    • 1. 
      NA

    • Options
    • A. Author
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    • C. Poet
    • D. Publisher
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    • 2. 
      Who is to the immediate left of R?

    • Options
    • A. P
    • B. H
    • C. W
    • D. T
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    • 3. 
      NA

    • Options
    • A. Cup
    • B. Jug
    • C. Basket
    • D. Plate
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    • 4. 
      25 : 625 : : 35 :?

    • Options
    • A. 1575
    • B. 1205
    • C. 875
    • D. 635
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    • 5. 
      NA

    • Options
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    • B. Lucknow
    • C. Lahore
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    • 6. 
      Cricket : Pitch : Wrestling :?

    • Options
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    • C. Ground
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    • 7. 
      Eagle : Swoops :: Duck :?

    • Options
    • A. waddles
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    • 8. 
      Who plays football?

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    • A. Ambrish
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    • 9. 
      Find the odd word.

    • Options
    • A. Puppet
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    • C. Animation
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    • 10. 
      Find the odd word.

    • Options
    • A. Orange
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    • C. Guava
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