Permutation & Combination

Probability Level 2

Two sets of the CAT paper are to be given to twelve students. In how many ways can the students be placed in two rows of six so that there should be no identical sets side by side and that the students sitting one behind the other should have the same sets ?

2 × 12 C 6 × ( 6 ! ) 2 2\times { { 12 }_{ C } }_{ 6 }\times { (6!) }^{ 2 } 7 ! × 7 ! 7!\times 7! 7 ! × 6 ! 7!\times 6! 6 ! × 6 ! 6!\times 6!

Sahil Bansal by Sahil Bansal , 21, India

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1 solution

T Sidharth
Mar 17, 2018

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