IIT JEE , AIEEE Forum - Mathematics , Algebra

joyfrancis

Q) In how many ways 12 animals can be arranged, the animals contain horses,calves and cows(each greater in number than 12)

ernst

if each is greater than 12 4 permutation v have 2 select but in this case how can v select?v can take any no. so many cases r possible in short ur que. is missing something

priyesh

Each position can be filled in 3 ways i.e horse,calve,or cow

total places are 12

therefore total no. of ways are 3*3*3.......12times = 3¹²

ANS IS 3¹²

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