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Class 9 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsA sequence has (a_n=n^3-n). What is (a_5)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsIf (a_n=15-2n), when will (a_n) be zero?Class 9Sequences and Progressionsnth termLevel 57Medium MathematicsWhat is the (n)th term of the sequence (4,10,18,28,40,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsWhat is the (n)th term of the sequence (13,9,5,1,-3,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsIn a sequence, (a_n=2n^2+n). What is the value of (a_6)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsIf (a_n=n^2-4n+6), what is the sum of (a_2) and (a_5)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsWhat is the nth term of the sequence 8, 27, 64, 125, …?Class 9Sequences and Progressionsnth termLevel 57Medium MathematicsIf (a_n=10n+4), what is (a_{r+2})?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsThe terms of a sequence are (a_n=2n-1). What is (a_1+a_2+\cdots+a_5)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsWhat is the (25)th term of the sequence (11,18,25,32,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsIf (a_n=4n^2-1), which is (a_5)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsAn arithmetic sequence has (a_n=2n+9). What is its first term?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsWhat is the (n)th term of the sequence (-1,2,-3,4,-5,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsIf (a_n=3^n-2), what is (a_4)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsWhat is the (n)th term of the sequence (2,6,12,20,30,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsA sequence has (n)th term \(a_n=\frac{n(n+1)}{2}\). What is \(a_{12}\)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsIf (a_n=12-5n), what is (a_3+a_8)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsIn the sequence (1,4,9,16,25,\ldots), which term is (196)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsIf (a_n=n(n+3)), what is (a_9-a_4)?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsWhat is the (n)th term of the sequence (5,9,17,33,65,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Hard