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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।

MathematicsIn the sequence (1,4,13,40,121,\ldots), each next term is obtained by multiplying the previous term by (3) and adding (1). What is the sixth term?Class 9Sequences and ProgressionsSequencesLevel 41Expert MathematicsIf (a_n=(-1)^{n+1}n^2), what will be the value of (a_9+a_{10})?Class 9Sequences and ProgressionsSequencesLevel 41Expert MathematicsIf (a_1=4) and (a_{n+1}=a_n+2n+1), what is the value of (a_7)?Class 9Sequences and ProgressionsSequencesLevel 41Expert MathematicsIn the sequence (1,5,14,30,55,\ldots), the successive differences are (4,9,16,25,\ldots). What will be the next term?Class 9Sequences and ProgressionsSequencesLevel 41Expert MathematicsIf the first differences of a sequence are not constant but its second differences are constant, what type of sequence is it generally?Class 9Sequences and ProgressionsSequencesLevel 41Expert MathematicsWhat will be the next term in the sequence (4,10,18,28,40,\ldots)?Class 9Sequences and ProgressionsSequencesLevel 44Hard MathematicsThe sequence (3,12,27,48,75,\ldots) has general term (a_n=3n^2). What is (a_8-a_6)?Class 9Sequences and ProgressionsSequencesLevel 44Hard MathematicsIn the sequence (7,10,16,28,52,\ldots), the added amount doubles each time. What is the next term?Class 9Sequences and ProgressionsSequencesLevel 44Hard MathematicsWhich of the following sequences is both an arithmetic progression and a geometric progression?Class 9Sequences and ProgressionsSequencesLevel 44Hard MathematicsIn the sequence (1,4,13,40,121,\ldots), each next term is (3) times the previous term plus (1). What is the next term?Class 9Sequences and ProgressionsSequencesLevel 44Hard MathematicsIn the sequence (2,5,11,23,47,\ldots), each next term is double the previous term plus (1). What is the next term?Class 9Sequences and ProgressionsSequencesLevel 44Hard MathematicsIn the sequence (3,5,9,17,33,\ldots), each next term is double the previous term minus (1). What is the next term?Class 9Sequences and ProgressionsSequencesLevel 44Hard MathematicsWhat is the next term in the sequence (11,18,27,38,51,\ldots)?Class 9Sequences and ProgressionsSequencesLevel 44Hard MathematicsWhich formula is correct for the sequence (3,7,13,21,31,\ldots)?Class 9Sequences and ProgressionsSequencesLevel 44Hard MathematicsIn the sequence (5,10,20,40,\ldots), which term is (320)?Class 9Sequences and ProgressionsSequencesLevel 44Hard MathematicsHow many terms of the sequence (12,17,22,27,\ldots) are less than (60)?Class 9Sequences and ProgressionsSequencesLevel 44Hard MathematicsIn the sequence (3,6,11,18,27,\ldots), (a_n=n^2+2). What is (a_9)?Class 9Sequences and ProgressionsSequencesLevel 44Hard MathematicsIn the sequence (1,8,27,64,\ldots), the (n)th term is (n^3). What is the difference between the (6)th term and the (5)th term?Class 9Sequences and ProgressionsSequencesLevel 44Hard MathematicsFind the next term in the sequence (6,13,24,39,58,\ldots).Class 9Sequences and ProgressionsSequencesLevel 44Hard MathematicsIn the sequence (4,7,12,19,28,\ldots), (a_n=n^2+3). Which term is (84)?Class 9Sequences and ProgressionsSequencesLevel 44Hard