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Questions by Vertika Srivastava

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No of positive integer satisfying the inequality
e Q) The number of positive integers satisfying the inequality are ________ $^{n+1}C_{(n-2)} + ^{n+1}C_{(n-1)}\leq 90$ getting n= 1 to 9 so answer should be 9 but answer given is 8 (2 to 9)
eQ) The number of positive integers satisfying the inequality are ________ $^{n+1}C_{(n-2)} + ^{n+1}C_{(n-1)}\leq 90$getting n= 1 to 9 so answer should be 9 ...