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Natural Numbers
Class 9 Mathematics के इस tag से जुड़े questions।
Class 9 · Mathematics
→If \(S_n=1+2+3+\cdots+n\), which of the following expressions is an odd perfect square for every natural number \(n\)?
Class 9 · Mathematics
→If (S_n=31375), what is the value of (S_{n-12})?
Class 9 · Mathematics
→What is the sum of natural numbers from (401) to (450)?
Class 9 · Mathematics
→What is the difference between the sums of the first (180) and first (120) natural numbers?
Class 9 · Mathematics
→What is the ratio of the sums of the first (100) and first (50) natural numbers?
Class 9 · Mathematics
→How much is the sum of natural numbers from (211) to (260)?
Class 9 · Mathematics
→Let \(S_n\) denote the sum of the first n natural numbers. For \(n\geq2\), which relation represents the nth natural number added to the sum?
Class 9 · Mathematics
→What is the sum of natural numbers from (90) to (150)?
Class 9 · Mathematics
→If (S_{n+3}-S_{n-2}=760), what is the value of (n)?
Class 9 · Mathematics
→Find the sum of natural numbers from (181) to (240).
Class 9 · Mathematics
→If (S_n=15400), what will be the value of (S_n-S_{n-10})?
Class 9 · Mathematics
→What is the ratio of the sums of the first (150) and first (100) natural numbers?
Class 9 · Mathematics
→What is the difference between the sums of the first (225) and first (175) natural numbers?
Class 9 · Mathematics
→What is the sum of natural numbers from (151) to (210)?
Class 9 · Mathematics
→For the sum \(S_n\) of the first \(n\) natural numbers, which of the following relations is always true for \(n>1\)?
Class 9 · Mathematics
→If (S_n=16290), what is the value of (S_{n-8})?
Class 9 · Mathematics
→How much is the sum of natural numbers from (101) to (160)?
Class 9 · Mathematics
→What is the ratio of the sums of the first (84) and first (56) natural numbers?
Class 9 · Mathematics
→Under which condition is the sum of the first n natural numbers a multiple of n?
Class 9 · Mathematics
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