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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 \(a_1=5\) and \(r=-2\), what are the first four terms?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsWhat is the sum of the first 6 terms of the geometric progression (4, 8, 16, 32, …)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsIf (6,18,54,\ldots) is a geometric progression, what is the product of the first three terms?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsWhat is the fifth term of the geometric progression \(5,-15,45,-135,\ldots\)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsIf \(a_2=16\) and \(a_5=1024\), and the ratio is positive, what is \(r\)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsIf \(a_1=30\) and \(r=\frac{1}{3}\), what is \(a_3\)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsIf a = 3 and r = 2, what will be the sum of the first 6 terms?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsIn the geometric progression \(5,25,125,625,\ldots\), which term is \(3125\)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsWhat is the fifth term of the sequence \(\frac{5}{6},\frac{5}{3},\frac{10}{3},\frac{20}{3},\ldots\)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsIn the geometric progression 8, 16, 32, 64, ..., which term is 256?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsIf (a=12) and (r=2) what will be the sixth term of the geometric progression?Class 9Sequences and ProgressionsGeometric ProgressionLevel 58Easy MathematicsWhich geometric progression has first term 8 and common ratio 3?Class 9Sequences and ProgressionsGeometric ProgressionLevel 58Easy MathematicsIf z, 5z, 25z, ... is a geometric progression, what is the common ratio?Class 9Sequences and ProgressionsGeometric ProgressionLevel 58Easy MathematicsIf a geometric progression has a₁ = 12 and a₂ = 48, what is its common ratio?Class 9Sequences and ProgressionsGeometric ProgressionLevel 58Easy MathematicsIn the sequence (6,18,54,162,\ldots) which term is (486)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 58Easy MathematicsWhat are (a) and (r) in the geometric progression (3,18,108,648,\ldots)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 58Easy MathematicsIf aₙ = 64 × (1/2)ⁿ⁻¹, what is the value of a₅?Class 9Sequences and ProgressionsExplicit or general ruleLevel 58Easy MathematicsIs 14, 42, 126, 378, ... a geometric progression?Class 9Sequences and ProgressionsGeometric ProgressionLevel 58Easy MathematicsIf \(a_n=6\cdot2^{n-1}\) what first three terms does it give?Class 9Sequences and ProgressionsGeometric ProgressionLevel 58Easy MathematicsWhat is the value of r in the geometric progression 15, 45, 135, 405, ...?Class 9Sequences and ProgressionsGeometric ProgressionLevel 58Easy