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Class 11 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIf \(\frac{^{n}C_r}{^{n}C_{r-1}}=4\), which equation is correct?Class 11Permutations and CombinationsDerivations of formulas and their connectionsMedium MathematicsIf (^{n}C_{2}=105), what is the value of (^{n}C_{3})?Class 11Permutations and CombinationsCombinationsExpert MathematicsIf (\binom{n}{2}=120), what is the value of (n)?Class 11Permutations and CombinationsCombinationsHard MathematicsIf (\binom{n}{2}=78), what is the value of (n)?Class 11Permutations and CombinationsCombinationsMedium MathematicsIf (\binom{n}{2}=66), what is the value of (n)?Class 11Permutations and CombinationsCombinationsMedium MathematicsIf (\binom{n}{2}=45), what is the value of (n)?Class 11Permutations and CombinationsCombinationsEasy MathematicsIf (\binom{n}{1}+\binom{n}{0}=16), what is the value of (n)?Class 11Permutations and CombinationsCombinationsEasy MathematicsIf (\binom{n}{2}=21), what is the value of (n)?Class 11Permutations and CombinationsCombinationsEasy MathematicsFor which (n) will \(\frac{(n+5)!}{(n+3)!}=210\)?Class 11Permutations and CombinationsFactorial notationExpert MathematicsIf \(\frac{(n+4)!}{(n+2)!}=156\) then what is the value of (n)?Class 11Permutations and CombinationsFactorial notationExpert MathematicsIf \(\frac{(n+3)!}{(n+1)!}=110\) then what will be the value of (n)?Class 11Permutations and CombinationsFactorial notationExpert MathematicsIf \( \frac{(n+7)!}{(n+4)!}-\frac{(n+6)!}{(n+3)!}=720 \), what is the value of (n)?Class 11Permutations and CombinationsFactorial notationExpert MathematicsIf \( \frac{(n+6)!-(n+5)!}{(n+4)!}=196 \), what is the value of (n)?Class 11Permutations and CombinationsFactorial notationExpert MathematicsIf [(n+3)!/(n−2)!] ÷ [(n+2)!/(n−3)!] = 7, what is the value of n?Class 11Permutations and CombinationsFactorial notationMedium MathematicsIf \( \frac{(n+4)!}{(n-1)!(n+3)(n+2)}=840 \), what is the value of (n)?Class 11Permutations and CombinationsFactorial notationExpert MathematicsIf \( \frac{(n+6)!}{(n+4)!}+\frac{(n+5)!}{(n+3)!}=338 \), what is the value of (n)?Class 11Permutations and CombinationsFactorial notationExpert MathematicsIf \( \frac{(4n+1)!}{(4n-1)!}=420 \), what is the value of (n)?Class 11Permutations and CombinationsFactorial notationExpert MathematicsIf \( \frac{(n+5)!-(n+4)!}{(n+3)!}=169 \), what is the value of (n)?Class 11Permutations and CombinationsFactorial notationExpert MathematicsIf \( \frac{(n+4)!+(n+3)!}{(n+2)!}=143 \), what will be the value of (n)?Class 11Permutations and CombinationsFactorial notationExpert MathematicsIf \( \frac{(n+5)!}{(n+2)!}-\frac{(n+4)!}{(n+1)!}=396 \), what is the value of (n)?Class 11Permutations and CombinationsFactorial notationExpert