0 reads0 ratings0 helpful
If the sum of the first (n) natural numbers is (1035), what is (n)?
Advertisement
Answer and explanation
Correct answer: (45)
\(S_{45}=\frac{45\times46}{2}=1035\), so \(n=45\). Checking options saves time in larger sums.
Frequently asked questions
What is the correct answer to this question?
(45)
Why is this the correct answer?
\(S_{45}=\frac{45\times46}{2}=1035\), so \(n=45\). Checking options saves time in larger sums.
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.
Student feedback
Was this question useful?
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Difficulty
Easy0%
Medium0%
Hard0%
Was the explanation clear?
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.
Advertisement