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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।

MathematicsIf (a_n=\frac{n(n+1)}{2}+3), what will be (a_{10})?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsIf (a_n=3n^2-5n+7), what is (a_{n+1}-a_n)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsWhich is the (n)th term of the sequence (\frac{5}{6},\frac{9}{11},\frac{13}{16},\frac{17}{21},\ldots)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsWhich is the (n)th term of the sequence (\frac{4}{7},\frac{7}{10},\frac{10}{13},\frac{13}{16},\ldots)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsIf (a_n=an+b), (a_4+a_8=74), and (a_5+a_9=86), what will be (a_1)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhich is the (n)th term of the sequence (1,5,14,30,55,\ldots)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhich is the (n)th term of the sequence (6,11,18,27,38,\ldots)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhich is the (n)th term of the sequence (5,11,19,29,41,\ldots)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf a linear sequence has (a_4=18) and (a_9=43), what is (a_n)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsHow many terms of the geometric progression (5,15,45,\ldots) have sum (1820)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Expert MathematicsIf (a=4) and (r=6), what is the value of (a_4+a_5)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Expert MathematicsIn the geometric progression (120,40,\frac{40}{3},\frac{40}{9},\ldots), which term is (\frac{40}{81})?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Expert MathematicsIf (a_1=10) and (a_4=270), and (r) is positive, what is (a_5)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Expert MathematicsIn the geometric progression (15,30,60,\ldots), if (a_n=3840), what is (n)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Expert MathematicsIn a geometric progression, (a_2=20) and (a_5=2500). What is (a_1)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Expert MathematicsIf \(a=96\) and \(r=\frac{1}{2}\), what is the sum of the first \(6\) terms?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Expert MathematicsIf \(a_n=405\left(\frac{1}{3}\right)^{n-1}\), which term will be equal to (5)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Expert MathematicsIn the geometric progression (486,162,54,\ldots), which term is (2)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Expert MathematicsIf (a_4=162) and (r=3), what is the value of (a_9)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Expert MathematicsWhat is the sum of the first (4) terms of the geometric progression (5,30,180,1080,\ldots)?Class 9Sequences and ProgressionsGeometric ProgressionLevel 55Expert