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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।

MathematicsAn arithmetic sequence has (a_n=2n+9). What is its first term?Class 9Sequences and Progressionsnth termLevel 57Hard MathematicsIf (a_n=4n-3), which option gives the first term?Class 9Sequences and Progressionsnth termLevel 59Easy MathematicsIf in a geometric progression a₂ + a₄ = 170 and r = 2, what is the first term a₁?Class 9Sequences and ProgressionsGeometric ProgressionLevel 54Hard MathematicsIn a geometric progression, a_2 = 32 and a_6 = 8192. For positive r, what will a_1 be?Class 9Sequences and ProgressionsGeometric ProgressionLevel 54Hard MathematicsIf in a geometric progression a_2 + a_4 = 90 and r = 3, what will a_1 be?Class 9Sequences and ProgressionsGeometric ProgressionLevel 54Medium MathematicsIf (a_3=36) and (a_7=576), and the ratio is positive, what will (a_1) be?Class 9Sequences and ProgressionsGeometric ProgressionLevel 54Expert MathematicsIn a geometric progression, a₂ = 15 and a₅ = 405. If r is positive, what is a₁?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsIf a₂ = 10 and a₆ = 160 in a geometric progression, and the common ratio is positive, what is a₁?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsIf a geometric progression has (a_2=28) and (r=4), what is (a_1)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Medium MathematicsWhich geometric progression has first term 8 and common ratio 3?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 MathematicsWhat is the first term in the geometric progression (12, 36, 108, 324, ...)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 58Easy MathematicsIf a geometric progression has (a_3=45) and (r=3), what is (a_1)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 54Medium MathematicsIf a geometric progression has (a_2=21) and (r=3), what is (a_1)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 54Medium MathematicsWhich geometric progression has first term \(6\) and common ratio \(4\)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsWhat are (a) and (r) in the geometric progression (2,10,50,250,\ldots)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsWhat is the first term in the geometric progression (9, 27, 81, 243, ...)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 57Easy MathematicsIf a geometric progression has \(a_2=10\) and \(r=2\), what is \(a_1\)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsWhat are (a) and (r) in the geometric progression (1,5,25,125,\ldots)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 56Easy MathematicsWhat is the first term in the geometric progression (7, 21, 63, 189, ...)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 56Easy