CAT 2017 Permutations and Combinations — Previous Year Question
Year
CAT 2017
Section
Quantitative
Topic
Permutations and Combinations
Difficulty
Medium
Question
Slot-1
A library has 10 copies of book A, 3 copies each of books B and C, 2 copies each of books D, E, F and a single copy of books G and H. The total number of ways in which these books can be arranged on a shelf is
12!/(10!(3!)²(2!)²)
24!/(10!(3!)²(2!)³)
24!/(10!(3!)²(2!)²)
None of the mentioned options are correct
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