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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. 
      ba__cb__b__bab

    • Options
    • A. .acbb
    • B. .bacc
    • C. .bcaa
    • D. .cabb
      • Discuss
    • 2. Find the odd one out:

    • Options
    • A. Rabbit
    • B. rat
    • C. mongoose
    • D. Squirrel
      • Discuss
    • 3. 
      NA

    • Options
    • A. Basket
    • B. Barrel
    • C. Bag
    • D. Barrow
      • Discuss
    • 4. 
      NA

    • Options
    • A. B-F
    • B. J-N
    • C. M-Q
    • D. T-U
      • Discuss
    • 5. 
      10 : 91 :: 9 :?

    • Options
    • A. 69
    • B. 72
    • C. 9
    • D. 97
      • Discuss
    • 6. 
      63 : 21 :: 27 :?

    • Options
    • A. 6
    • B. 9
    • C. 1
    • D. 3
      • Discuss
    • 7. 
      Who sits between G and D?

    • Options
    • A. H
    • B. D
    • C. F
    • D. E
      • Discuss
    • 8. Find the odd one out:

    • Options
    • A. 49
    • B. 36
    • C. 65
    • D. 100
      • Discuss
    • 9. 
      NA

    • Options
    • A. Ring
    • B. Tyre
    • C. Plate
    • D. Bangle
      • Discuss
    • 10. 
      NA

    • Options
    • A. Huge
    • B. Tiny
    • C. Heavy
    • D. Small
      • Discuss

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