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Grade 9 Mathematics

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

MathematicsIf (S_n-S_{n-3}=420), what is (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsIf (S_n=12246), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60ExpertMathematicsUnder which condition will the sum of the first n natural numbers be an even number?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 60HardMathematicsWhat is half of the sum of the first (24) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsIf (S_n=666), what will be (S_{n+1})?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsIf (S_n-S_{n-1}=42), what is the value of (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 61MediumMathematicsIn a question, natural numbers from (1) to (80) are to be added. What is the correct sum?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsA student added all numbers from (1) to (37). What will be the result?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsIf (S_n=1128), what will (n) be?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsIf the sum of the first (n) natural numbers is (990), what is (n)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsWhich is the sum of the first (52) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsWhat is the sum of (1+2+3+\cdots+38)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 64EasyMathematicsWhat is the sum of the first (1) natural number?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62EasyMathematicsWhat is the sum of the first (45) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62EasyMathematicsWhich is the sum of the first (2) natural numbers?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62EasyMathematicsFind the sum of the first (9) natural numbers.Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62EasyMathematicsWhich of the following nth-term formulas represents an arithmetic progression?Class 9Sequences and Progressionsnth termLevel 57ExpertMathematicsIn which sequence is each term obtained by adding the same fixed number to the immediately preceding term?Class 9Sequences and Progressionsnth termLevel 57ExpertMathematicsThe (n)th term of an arithmetic sequence is (a_n=13n-19). Which term is (176)?Class 9Sequences and Progressionsnth termLevel 58ExpertMathematicsIf (a_n=26-5n), which term is equal to (-34)?Class 9Sequences and Progressionsnth termLevel 59Hard