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Permutations and Combinations · 2017 · Shift 1

1 Mathematics questions from this JEE Advanced paper
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Permutations and Combinations · 2017 · Shift 1

1 Mathematics questions from this JEE Advanced paper

  1. Q30.Words of length 10 are formed using the letters A, B, C, D, E, F, G, H, I, J. Let x be the number of such words where no letter is repeated; and let y be the number of such words where exactly one letter is repeated twice and no other…
    Mathematics · Permutations and Combinations · Numerical