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“Chelsea – it’s time for a Kindle” Challenge Question

Try the question below. It is not as tough as some of the challenge questions on this blog. That said, see if you can solve in less than 1 minute. Good luck! 🙂

Chelsea has a bookshelf consisting of ten classics: four Russian novels, three British novels, two French novels, and a German novel. If she wants to make sure that the novels are always grouped according to country, how many ways can she arrange the novels?

(A)  24

(B)  24^2

(C)  288

(D) (24)(288)

(E)  144^2

The answer/explanation is in the comments below

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9 Responses to “Chelsea – it’s time for a Kindle” Challenge Question

  1. Aashish khadka July 3, 2014 at 8:51 pm #

    A) 24

  2. madhubala July 10, 2013 at 8:30 pm #

    answer is D

  3. Bhavika Jain January 28, 2013 at 10:03 am #

    The answer is D.

    • jones January 28, 2013 at 11:26 am #

      nope, it will be C

      • jones January 28, 2013 at 11:28 am #

        sorry u r right….D

        • Rasha January 28, 2013 at 1:15 pm #

          The answer is A. 24

          • Rasha January 28, 2013 at 1:18 pm #

            although it is 10 books , but Chelsea wants to regroup them into four groups

    • Chris Lele
      Chris January 28, 2013 at 2:20 pm #

      Yep, that’s it – the answer is (D). :).

      Congrats to those who got it.

      Remember, once we’ve figured out how many ways the books can be arranged within groups (24 x 6 x 2) = 288, we have to factor in how many ways the groups can be arranged: 4!. Therefore, we get 24×288, or (D).


  1. GRE | OhMyGoshLauraHasABlog - August 9, 2015

    […] if she has four Russian novels, three British novels, two French novels, and a German novel ( I wish Chelsea had never been born and that her novels had all caused paper jams in the printing […]

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