Question : Find the value of $\sqrt{\left[\left(13^2-8^2\right) \times 5+4\right]}$ :
Option 1: 22
Option 2: 24
Option 3: 26
Option 4: 23
Answer (1)
9th Jan, 2024
Correct Answer: 23
Solution :
$\sqrt{\left[\left(13^2-8^2\right) \times 5+4\right]}$
$=\sqrt{\left[\left(169-64\right) \times 5+4\right]}$
$= \sqrt{\left[105 \times 5+4\right]}$
$=\sqrt{\left[525+4\right]}$
$= \sqrt{529}$
$= 23$
Hence, the correct answer is 23.
Comments (0)
Related Questions
Know More about
Staff Selection Commission Multi Tasking ...
Answer Key | Cutoff | Selection Process | Preparation Tips | Eligibility | Application | Exam Pattern
Get Updates Brochure
Thank You!
Your Staff Selection Commission Multi Tasking Staff Exam brochure has been successfully mailed to your registered email id “”.
Upcoming Exams
Exam Date:
19 Dec, 2024
- 29 Dec, 2024
Airports Authority Of India Junior Assistant Fire Service Exam
- (AAI JUNIOR ASSISTANT FIRE SERVICE)
Application Date:
30 Dec, 2024
- 28 Jan, 2025
Application Date:
11 Dec, 2024
- 31 Dec, 2024
Application Date:
11 Dec, 2024
- 31 Dec, 2024
Admit Card Date:
23 Dec, 2024
- 5 Jan, 2025
