Permutations And Combinations


A class has 30 students. First prizes in Physics, Chemistry and Mathematics are to be awarded. In how many ways can this be done?


Solution not provided.
Ans. 27000

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Some More Questions From Permutations and Combinations Chapter

Determine K, so that K + 2, 4K – 6 and 3K – 2 are three consecutive terms of an A.P.