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In a school, badge numbers from (1) to (38) are given. What will be the sum of all badge numbers?
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Answer and explanation
Correct answer: (741)
The sum of all badge numbers is (S_{38}=\frac{38\times39}{2}=741). When counting starts from (1), take the last number as (n).
Frequently asked questions
What is the correct answer to this question?
(741)
Why is this the correct answer?
The sum of all badge numbers is (S_{38}=\frac{38\times39}{2}=741). When counting starts from (1), take the last number as (n).
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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