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Mathematics

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

MathematicsWhich recursive rule matches the sequence (81, 27, 9, 3, ...)?Class 9Sequences and ProgressionsRecursive ruleLevel 47Easy MathematicsWhat is the recursive rule for the sequence 2, 4, 8, 16, ...?Class 9Sequences and ProgressionsRecursive ruleLevel 47Easy MathematicsWhich recursive rule is correct for the sequence 5, 8, 11, 14, ...?Class 9Sequences and ProgressionsRecursive ruleLevel 47Easy MathematicsIf a_1 = 4 and a_(n+1) = a_n + 4, which term is 20?Class 9Sequences and ProgressionsRecursive ruleLevel 47Easy MathematicsIf (a_1=3) and (a_{n+1}=a_n+2), which term is (11)?Class 9Sequences and ProgressionsRecursive ruleLevel 47Easy MathematicsIf (a_1=1), (a_2=4), and (a_n=a_{n-1}+a_{n-2}), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 47Easy MathematicsIf a_n = n^2 + 6n + 5, which term is 252?Class 9Sequences and ProgressionsExplicit or general ruleLevel 43Hard MathematicsWhich of the following statements correctly describes a key feature of a sequence?Class 9Sequences and ProgressionsSequencesLevel 43Expert MathematicsIn the sequence 5, 10, 20, 40, ..., which term is 5120?Class 9Sequences and ProgressionsGeometric ProgressionLevel 43Medium MathematicsIf a_n = n(n + 4), which term is 165?Class 9Sequences and ProgressionsLevel 43Medium MathematicsWhat is the correct sum of the first 6 terms of the sequence (3, 7, 13, 21, 31, ...)?Class 9Sequences and ProgressionsSequencesLevel 43Hard MathematicsWhat is the sum of the first 6 terms of the sequence 3, 7, 13, 21, 31, ...?Class 9Sequences and ProgressionsSequencesLevel 43Hard MathematicsWhat will be the 10th term in the sequence 1, 5, 2, 10, 4, 20, 8, ...?Class 9Sequences and ProgressionsSequencesLevel 43Hard MathematicsIn the sequence (2, 3, 5, 9, 17, 33, ...), each next term is obtained by doubling the previous term and subtracting 1. What will be the next term?Class 9Sequences and ProgressionsRecursive ruleLevel 43Medium MathematicsIn the sequence 3, 6, 12, 24, ..., which is the first term greater than 500?Class 9Sequences and ProgressionsGeometric ProgressionLevel 43Medium MathematicsIn the sequence 1, 8, 27, 64, ..., what will be the value of a_10 - a_9?Class 9Sequences and Progressionsnth termLevel 43Medium MathematicsIf a_n = (-1)^(n+1)(2n+3), what will be the value of a_8 + a_9?Class 9Sequences and ProgressionsExplicit or general ruleLevel 43Medium MathematicsIf (a_1=3) and (a_{n+1}=2a_n+n^2), what will (a_5) be?Class 9Sequences and ProgressionsSequencesLevel 43Expert MathematicsIf a_n = 4n^2 + 2n - 3, what will be the value of a_11?Class 9Sequences and ProgressionsExplicit or general ruleLevel 43Medium MathematicsIf (a_1=2) and (a_{n+1}=2a_n+n^2), what will (a_4) be?Class 9Sequences and ProgressionsSequencesLevel 42Expert