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Class 9 Mathematics

Class 9 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsFor the sequence with nth term \(a_n=4n^2-3n+1\), which feature establishes that it is a quadratic sequence?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsIf (a_n=40-5n), which will be the first negative term?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsIf (a_n=3n^2+2), which term is (149)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsWhat is the (n)th term of the sequence (3,9,18,30,45,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsIf (a_n=4n^2-3n+2), what is the value of (a_7-a_4)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsWhich is the (n)th term of the sequence (8,15,24,35,48,\ldots)?Class 9Sequences and Progressionsnth termLevel 57Expert MathematicsIn the sequence (23,38,53,68,\ldots), which term is (218)?Class 9Sequences and Progressionsnth termLevel 58Expert MathematicsWhich of the following nth-term formulae represents an arithmetic progression with first term 11 and common difference -4?Class 9Sequences and Progressionsnth termLevel 58Expert MathematicsIn the sequence (19,31,43,55,\ldots), which term is (151)?Class 9Sequences and Progressionsnth termLevel 59Hard MathematicsThe (n)th term of an arithmetic sequence is (a_n=11n-17). Which term is (159)?Class 9Sequences and Progressionsnth termLevel 59Hard MathematicsWhich is the (n)th term of the sequence \(\frac{2}{5},\frac{5}{8},\frac{8}{11},\frac{11}{14},\ldots\)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf (a_n=50-4n), which will be the first term less than (10)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf (a_n=an+b), (a_2+a_5=29), and (a_3+a_6=39), what will be (a_{10})?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf (a_n=6n-11), which term is (55)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf (a_n=2n+(-1)^n), what is the value of (a_5)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf (a_n=4n^2+n), what is (a_{n+1}-a_n)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf (a_n=n^3), what is the value of (a_5-a_3)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf (a_n=rn+s), (a_6=32), and (a_{11}=57), what will be (a_{20})?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsWhat is the (n)th term of the sequence (5,8,13,20,29,\ldots)?Class 9Sequences and Progressionsnth termLevel 56Expert MathematicsIf (a_n=9-2n), which is the first term less than (-15)?Class 9Sequences and Progressionsnth termLevel 56Expert