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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 a₁ = 2 and a₅ = 162, and the ratio is positive, what is r?Class 9Sequences and Progressionsnth termLevel 54Medium MathematicsWhich geometric progression has first term 6 and common ratio 4?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsIf (a_n=4^n) what is the value of (a_3)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsWhat is (a_5) of the geometric progression (14,42,126,378,\ldots)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsIf (y, 4y, 16y, …) is a geometric progression, what is the common ratio?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsIf a geometric progression has (a_1=8) and (a_2=32) what is the common ratio?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsIf aₙ = 81 × (1/3)ⁿ⁻¹, what is the value of a₄?Class 9Sequences and ProgressionsExplicit or general ruleLevel 57Easy MathematicsIf (a=3) and (r=6) what are the first four terms?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsIf (3, 15, 75, □, …) is a geometric progression, what term fills the blank?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsWhat is the value of r in the geometric progression (10, 40, 160, 640, …)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsIf the first term of a geometric progression is 40 and the common ratio is 1/2, what is the second term?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsIf a = 4 and r = 5, what is the third term of the geometric progression?Class 9Sequences and Progressionsnth termLevel 57Easy MathematicsWhat is the first term in the geometric progression (9, 27, 81, 243, ...)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsWhy is the sequence (3, 6, 9, 12, …) not a geometric progression?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsIs the sequence (2, 8, 32, 128, …) a geometric progression?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsIf a geometric progression has first term 5 and common ratio 3, what is the second term?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsIf a geometric progression has a = 16 and r = 1/2, what is the sum of its first four terms?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsIn the geometric progression (3, 12, 48, …), what is a₅?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsFor which (x) will (8,x,18) be consecutive terms of a positive geometric progression?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsIf a₁ = 3 and r = −2, what are the first four terms?Class 9Sequences and ProgressionsRecursive ruleLevel 53Medium