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Class 11MathematicsPermutations and CombinationsCombinationsExpert
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If ( \binom{n}{2}=45 ), what is the value of ( \binom{n}{4} )?

Answer and explanation

Correct answer: (210)

Since ( \binom{10}{2}=45 ), (n=10), so ( \binom{10}{4}=210 ). First find (n), then evaluate the required combination.

Related tags

Class11CombinationsNcr-ValueExpertPermutations And CombinationsMathematicsClass 11 Mcq
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