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Class 9 Mcq

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

MathematicsIf S_x=8385, where S_x is the sum of the first x natural numbers, what is the value of x?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsIn a parking arrangement, the rth row has 7r vehicles. How many vehicles will there be in 56 rows?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsWhat is the sum of 151 + 152 + 153 + ... + 210?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59HardMathematicsIf S_(2k+3) = 3240, what is the value of k?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59HardMathematicsOn a stage, the rth row has 6r lamps. How many lamps will there be in 45 rows?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59MediumMathematicsWhat is the value of S_144 − 2S_72?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59HardMathematicsWhat is the sum of the natural numbers from 61 to 125?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 59HardMathematicsIf S_y = 7381, what is the value of S_(y+2)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62HardMathematicsWhat is 2 times the difference between S_72 and S_36?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62HardMathematicsIf S_n = 9180, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62HardMathematicsWhat is the value of S_250 − S_240?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62HardMathematicsIf S_(n+2) − S_(n−2) = 286, what is the value of n?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62HardMathematicsIf \(S_n-S_{n-1}=126\) and \(S_m=1953\), what is \(n-m\), where \(S_k=1+2+\cdots+k\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62MediumMathematicsIn a parking arrangement, the \(r\)th row has \(5r\) vehicles. How many vehicles are there in 42 rows?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62MediumMathematicsIf \(S_n=3240\), what is the value of \(S_{n+8}-S_n\), where \(S_k=1+2+\cdots+k\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62MediumMathematicsWhat is the sum of \(121+122+123+\cdots+160\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62MediumMathematicsIf \(S_n-S_{n-6}=621\), where \(S_k=1+2+\cdots+k\), what is the value of \(n\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62MediumMathematicsIf \(S_u=1431\) and \(S_v=3321\), what is the value of \(u+v\), where \(S_k=1+2+\cdots+k\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62MediumMathematicsThe value of \(S_n-S_{n-1}+S_{n-4}-S_{n-5}\) is 150. What is \(n\), where \(S_k=1+2+\cdots+k\)?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62MediumMathematicsOn a stage, the rth row has 4r lamps. How many lamps will there be in 35 rows?Class 9Sequences and ProgressionsSum of first n natural numbersLevel 62Medium