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Permutations and Combinations
Question
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A class has 20 students. Prizes for standing first, second and third in Mathematics are to be awarded. In how many ways can this be done?

Answer

Solution not provided.
Ans. 6840

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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.