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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।

MathematicsIn a geometric progression, a₂ = 15 and a₅ = 405. If r is positive, what is a₁?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsIn the geometric progression (9,-27,81,-243,\ldots), what is (a_6+a_4)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Expert MathematicsIf (a_1=2) and the sum of the first (5) terms is (62), and (r) is a positive integer, what is (r)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Expert MathematicsWhich geometric progression has (a_1=12) and (a_4=\frac{3}{2})?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Expert 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 ProgressionLevel 53Medium MathematicsIn the geometric progression (3,6,12,\ldots), what is the greatest term less than (100)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Expert MathematicsIf (x-2,x+4,2x+8) are consecutive positive terms of a geometric progression, what is (x)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Expert MathematicsIf a geometric progression has first term \(a=32\) and common ratio \(r=\frac12\), what is the sum of the first four terms?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Medium MathematicsIn the geometric progression (160,80,40,20,\ldots), which term is (\frac{5}{2})?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Expert MathematicsIf \(a_n=2\cdot3^{n-1}\), what will be the value of \(a_4+a_6\)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Expert MathematicsWhich sequence has both (a_2=18) and (a_5=486)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Expert MathematicsIn a geometric progression, (a_3=24) and (a_6=648). What is the value of (a_4)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Expert MathematicsIf (a_1=3) and (a_5=243), what will be the positive common ratio?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Expert MathematicsWhat is the sixth term of the geometric progression (5,-15,45,-135,\ldots)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Expert MathematicsWhich of the following sequences is obtained by multiplying each term by the same non-zero constant to get the next term?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Expert MathematicsIn a geometric progression, (a_4=54) and (a_7=1458). What will be the positive common ratio (r)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 53Expert MathematicsHow many terms of the geometric progression (2,6,18,\ldots) have sum (242)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 54Hard MathematicsIf (a=2) and (r=4), what is the value of (a_5+a_6)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 54Hard MathematicsIn the geometric progression (45,15,5,\frac{5}{3},\ldots), which term is (\frac{5}{27})?Class 9Sequences and ProgressionsGeometric ProgressionLevel 54Hard MathematicsIf (a_6=224) and (a=7), and (r) is positive, what is (r)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 54Hard