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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 termHard MathematicsIf (a_n=4n-3), which option gives the first term?Class 9Sequences and Progressionsnth termEasy MathematicsIf in a geometric progression a₂ + a₄ = 170 and r = 2, what is the first term a₁?Class 9Sequences and ProgressionsGeometric ProgressionHard MathematicsIn a geometric progression, a_2 = 32 and a_6 = 8192. For positive r, what will a_1 be?Class 9Sequences and ProgressionsGeometric ProgressionHard MathematicsIf in a geometric progression a_2 + a_4 = 90 and r = 3, what will a_1 be?Class 9Sequences and ProgressionsGeometric ProgressionMedium MathematicsIf (a_3=36) and (a_7=576), and the ratio is positive, what will (a_1) be?Class 9Sequences and ProgressionsGeometric ProgressionExpert MathematicsIn a geometric progression, a₂ = 15 and a₅ = 405. If r is positive, what is a₁?Class 9Sequences and ProgressionsGeometric ProgressionMedium MathematicsIf \(a_2=10\) and \(a_6=160\) in a geometric progression, and the common ratio is positive, what is \(a_1\)?Class 9Sequences and ProgressionsGeometric ProgressionMedium MathematicsIf a geometric progression has (a_2=28) and (r=4), what is (a_1)?Class 9Sequences and ProgressionsGeometric ProgressionMedium MathematicsWhich geometric progression has first term 8 and common ratio 3?Class 9Sequences and ProgressionsGeometric ProgressionEasy MathematicsWhat are (a) and (r) in the geometric progression (3,18,108,648,\ldots)?Class 9Sequences and ProgressionsGeometric ProgressionEasy MathematicsWhat is the first term in the geometric progression (12, 36, 108, 324, ...)?Class 9Sequences and ProgressionsGeometric ProgressionEasy MathematicsIf a geometric progression has (a_3=45) and (r=3), what is (a_1)?Class 9Sequences and ProgressionsGeometric ProgressionMedium MathematicsIf a geometric progression has (a_2=21) and (r=3), what is (a_1)?Class 9Sequences and ProgressionsGeometric ProgressionMedium MathematicsWhich geometric progression has first term 6 and common ratio 4?Class 9Sequences and ProgressionsGeometric ProgressionEasy MathematicsWhat are (a) and (r) in the geometric progression (2,10,50,250,\ldots)?Class 9Sequences and ProgressionsGeometric ProgressionEasy MathematicsIn the geometric progression $9, 27, 81, 243, \ldots$, what is the first term?Class 9Sequences and ProgressionsGeometric ProgressionEasy MathematicsIf a geometric progression has \(a_2=10\) and \(r=2\), what is \(a_1\)?Class 9Sequences and ProgressionsGeometric ProgressionMedium MathematicsWhat are (a) and (r) in the geometric progression (1,5,25,125,\ldots)?Class 9Sequences and ProgressionsGeometric ProgressionEasy MathematicsWhat is the first term in the geometric progression (7, 21, 63, 189, ...)?Class 9Sequences and ProgressionsGeometric ProgressionEasy