Mathematics - Permutation & Combination Question with Solution | TestHub

MathematicsPermutation & CombinationGroup formationMedium2 minQB

MathematicsMediumnumerical

Let $n$ be the number of circles for which the maximum possible sum of the numbers of radical axes and radical centres is 56 . Find $n$ .

Answer:

7.00

Solution:

The maximum numbers are $(2 n)$ axes and $(3 n)$ centres. Thus $(2 n) + (3 n) = (3 n + 1) = 56$ , giving $n = 7$ . \end{document}

Stream:JEESubject:MathematicsTopic:Permutation & CombinationSubtopic:Group formation

⏱ 2mℹ️ Source: QB

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