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If p,q,r are any real number, then...

If p,q,r are any real number, then

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CENGAGE PUBLICATION-PERMUTATIONS AND COMBINATIONS-All Questions
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  2. Let f(n) be the number of regions in which n coplanar circles can...

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  3. If p,q,r are any real number, then

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  4. The number of ways of choosing triplet (x , y ,z) such that zgtmax{x,...

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  11. A coin is tossed 2n times. The chance that the number of times one get...

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  13. How many five-digit numbers can be made having exactly two identica...

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  17. There are n points in a plane of which no three are in a straight line...

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