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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! ðŸ™‚

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)Â  24

(B)Â  24^2

(C)Â  288

(D) (24)(288)

(E)Â  144^2

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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 #

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

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

nope, it will be C
4!.3!.2!.1!=288

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

sorry u r right….D

• Rasha January 28, 2013 at 1:15 pm #

• Rasha January 28, 2013 at 1:18 pm #

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

• 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).