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Class 9 Mathematics Sequences and Progressions Sum of first n natural numbersHardLevel 62

If (S_n=5460), what will be the value of (n)?

Answer and explanation

Correct answer: (104)

(S_{104}=\frac{104\times105}{2}=5460), so (n=104). Match (2S_n) with the product of consecutive numbers.

Tags

mathsequencesnatural-numberssum

Frequently asked questions

What is the correct answer to this question?

(104)

Why is this the correct answer?

(S_{104}=\frac{104\times105}{2}=5460), so (n=104). Match (2S_n) with the product of consecutive numbers.

Which subject and chapter does this question cover?

This is a Class 9 Mathematics question. Chapter: Sequences and Progressions. Topic: Sum of first n natural numbers.

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