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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+3)}{2}), which term is (65)?Class 9Sequences and ProgressionsSequencesExpert MathematicsWhat will be the 12th term in the sequence (3, 5, 9, 15, 23, ...)?Class 9Sequences and Progressionsnth termHard MathematicsIf (a_n=2^n+n^2), what will be the value of (a_5)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIn the sequence (2,6,12,20,\ldots), how many terms are less than (100)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIf (a_n=n^2+cn) and (a_4=32), what will be the value of (a_9)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIf (a_n=pn^2+q), (a_1=5) and (a_2=14), what will be (a_4)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIf (a_n=kn+2) and (a_5=27), what will be the value of (a_9)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIf (x,x+3,2x+1) are three consecutive terms of a sequence and their differences are equal, what is the value of (x)?Class 9Sequences and ProgressionsSequencesExpert MathematicsWhich of the following sequences has equal, non-zero second differences and is therefore an example of a quadratic sequence?Class 9Sequences and ProgressionsSequencesExpert MathematicsThe second differences between consecutive terms of a sequence are all equal and non-zero. What type of sequence is it generally?Class 9Sequences and ProgressionsSequencesExpert MathematicsIn the sequence (2,9,28,65,\ldots), the terms are of the form (n^3+1). What will be the next term?Class 9Sequences and ProgressionsSequencesExpert MathematicsIf (a_n=5n-(-1)^n), what will be the value of (a_8)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIf (a_n=2n^3+1), what will be the value of (a_5+a_6)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIf (a_1=3) and (a_{n+1}=a_n+n^2), what will be (a_6)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIn the sequence (1,4,11,26,57,\ldots), the rule is (a_{n+1}=2a_n+n+1). What will be the next term?Class 9Sequences and ProgressionsSequencesExpert MathematicsIf \(a_n=\frac{n}{n+2}\), which is the first term greater than \(\frac{4}{5}\)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIn the sequence (1,\frac{1}{2},\frac{1}{3},\frac{1}{4},\ldots), which is the first term less than (\frac{1}{20})?Class 9Sequences and ProgressionsSequencesExpert MathematicsWhat will be the (8)th term in the sequence (\frac{1}{3},\frac{2}{5},\frac{3}{7},\ldots)?Class 9Sequences and ProgressionsSequencesExpert MathematicsWhat will be the (10)th term in the sequence (\frac{1}{2},\frac{2}{3},\frac{3}{4},\ldots)?Class 9Sequences and ProgressionsSequencesExpert MathematicsIn a sequence, (a_1=2) and the successive differences are (3,7,11,15,\ldots). What will be (a_5)?Class 9Sequences and ProgressionsSequencesExpert