Question : Which one of the following is a factor of the sum of the first twenty-five natural numbers?
Option 1: 26
Option 2: 24
Option 3: 13
Option 4: 12
Answer (1)
25th Jan, 2024
Correct Answer: 13
Solution :
Given: $n$ = 25
The sum of the first $n$ natural numbers = $\frac{n(n+1)}{2}$ = $\frac{25\times 26}{2}$ = 25 × 13
The factors of the sum of the first 25 natural numbers are 13 and 25.
Hence, the correct answer is 13.
Comments (0)
Related Questions
Know More about
Staff Selection Commission Sub Inspector ...
Result | Eligibility | Application | Selection Process | Cutoff | Admit Card | Preparation Tips
Get Updates Brochure
Thank You!
Your Staff Selection Commission Sub Inspector Exam brochure has been successfully mailed to your registered email id “”.
Upcoming Exams
Application Date:
1 Aug, 2024
- 2 Dec, 2024
Admit Card Date:
9 Dec, 2024
- 16 Dec, 2024
Mains Exam
Exam Date:
14 Dec, 2024
- 14 Dec, 2024
