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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 (b_n=2b_{n-1}+n) and (b_3=19), what is the value of (b_1)?Class 9Sequences and ProgressionsRecursive ruleLevel 45Expert MathematicsIf (a_n=a_{n-1}+3n) and (a_4=31), what is the value of (a_2)?Class 9Sequences and ProgressionsRecursive ruleLevel 45Expert MathematicsIf (O_1=4) and (O_n=O_{n-1}+2^n+n), what is the value of (O_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 45Expert MathematicsIn a sequence, F₁ = 20 and Fₙ = Fₙ₋₁ − 2n + 1. What is the value of F₅?Class 9Sequences and ProgressionsRecursive ruleLevel 45Medium MathematicsIf (B_1=9) and (B_n=B_{n-1}+2^n), what is the value of (B_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 45Expert MathematicsIf (z_1=2), (z_2=3), and (z_n=z_{n-1}z_{n-2}+1), what is the value of (z_5)?Class 9Sequences and ProgressionsRecursive ruleLevel 45Expert MathematicsIf (x_1=1) and (x_n=2x_{n-1}+n^2), what is the value of (x_3)?Class 9Sequences and ProgressionsRecursive ruleLevel 45Expert MathematicsIf (v_1=4) and (v_n=2v_{n-1}-1), what is the value of (v_5)?Class 9Sequences and ProgressionsRecursive ruleLevel 45Expert MathematicsIn a sequence, s₁ = 3 and sₙ = sₙ₋₁ + (−1)ⁿn. What is the value of s₅?Class 9Sequences and ProgressionsRecursive ruleLevel 45Medium MathematicsIf (r_1=1), (r_2=2), and (r_n=r_{n-1}+3r_{n-2}), what is the value of (r_5)?Class 9Sequences and ProgressionsRecursive ruleLevel 45Expert MathematicsIn a sequence, b₁ = 6 and bₙ = 3bₙ₋₁ − n. What is the value of b₄?Class 9Sequences and ProgressionsRecursive ruleLevel 45Medium MathematicsIf (a_1=2) and (a_{n+1}=(n+1)a_n+n), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 41Expert MathematicsIf (a_1=4), (a_2=6), and (a_n=a_{n-1}+3a_{n-2}+n), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 44Expert MathematicsWhich recursive rule is correct for the sequence 3, 8, 19, 46, …?Class 9Sequences and ProgressionsRecursive ruleLevel 44Hard MathematicsIf (a_1=3) and (a_{n+1}=a_n+(2n+1)^2), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 44Expert MathematicsIf (a_1=6) and (a_{n+1}=a_n+a_1+n(n+1)), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 44Expert MathematicsIf (a_1=4) and (a_{n+1}=2a_n+(-1)^n(2n+1)), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 44Expert MathematicsIf a₁ = 120 and aₙ₊₁ = aₙ − (n! + 2ⁿ), what is a₅?Class 9Sequences and ProgressionsRecursive ruleLevel 44Expert MathematicsIf a₁ = 5 and aₙ₊₁ = aₙ + n², which term is 60?Class 9Sequences and ProgressionsRecursive ruleLevel 44Hard MathematicsWhich recursive rule is correct for the sequence 6, 11, 19, 30, …?Class 9Sequences and ProgressionsRecursive ruleLevel 44Medium