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Sequences And Progressions

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

MathematicsIf aₙ = (−1)ⁿ(2n + 3), what is a₆?Class 9Sequences and Progressionsnth termLevel 57Easy MathematicsA sequence has rule aₙ = n² + n + 2. What is a₅ + a₆?Class 9Sequences and Progressionsnth termLevel 57Easy MathematicsThe first four terms of an arithmetic sequence are 7, 11, 15, 19. What is its nth term?Class 9Sequences and Progressionsnth termLevel 57Medium MathematicsIn the sequence (16, 32, 48, 64, …), which term is 112?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsIf aₙ = n(n + 1)/2, what is the sixth term?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsIf (a_n=n^2+n+1), what is the fourth term?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsWhat is the nth term of the sequence (10, 13, 16, 19, …)?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsIn the sequence (15, 30, 45, 60, …), which term is 105?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsIf (a_n=3^n+2), what is the third term?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsWhat is the nth term of the sequence (6, 13, 20, 27, ...)?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsIf (a_n=4^n), what is the second term?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsIf \(a_n=\frac{n+3}{2}\), what is the value of \(a_7\)?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsIn the sequence (1,3,5,7,\ldots), which term is (31)?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsWhat is the nth term of the sequence (7, 11, 15, 19, ...)?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsIf (a_n=18-n), what is the ninth term?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsIn the sequence (8, 16, 24, 32, ...), which term is 72?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsWhat is the nth term of the sequence (2, 6, 10, 14, ...)?Class 9Sequences and Progressionsnth termLevel 61Easy MathematicsIf (a_n=12n+5), what is the value of (a_7+a_2)?Class 9Sequences and Progressionsnth termLevel 58Medium MathematicsIf \(a_n=\frac{7n-2}{3}\), what is \(a_5\)?Class 9Sequences and Progressionsnth termLevel 58Medium MathematicsWhat is the nth term of the arithmetic sequence (9, 19, 29, 39, ...)?Class 9Sequences and Progressionsnth termLevel 58Medium