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HIMALAYA PUBLICATION-PERMUTATION AND COMBINATIONS-Question Bank
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- The number of possible outcomes when a coin is tossed 6 times is :
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- If '^(n)C(12) = ""^(n)C(8) then n is equal to
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- The straight lines , l1,l2 and l3 are parallel and lie in the same pla...
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- In an examination there are three multiple choice questions and each ...
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- number of triangles formed with vertices at these points are
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- How many different nine - digit numbers can be formed from the number ...
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- Let A = {1, 2, 3, 4} and B = {1, 2}. Then the number of onto functions...
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- Let Tn denote the number of triangles which can be formed using the ve...
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- For 2le rlen,{:((n),(r)):}+2({:(n),(r-1):})({:(n),(r-2):})=
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- The number of arrangements of the letters of the word ' BANANA ' in w...
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- The sum sum(i=0)^(m)((10),(i))((20),(m-i)) (where ((p)/(q))=0, if pltq...
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- If ""^(n-1)Cr=(k^2-3)""^nC(r+1), then kin :
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