17 Views

Question : What is the length (in metres) of the longest rod that can be placed in a room which is 2 metre long, 2 metre broad, and 6 metre high?

Option 1: $8$

Option 2: $2\sqrt{11}$

Option 3: $3\sqrt{11}$

Option 4: $10$


Team Careers360 13th Jan, 2024
Answer (1)
Team Careers360 15th Jan, 2024

Correct Answer: $2\sqrt{11}$


Solution : Longest rod that can be placed in a room
= diagonal of a cuboid
= $\sqrt{\text{length}^2 + \text{breadth}^2 + \text{height}^2}$
= $\sqrt{2^2 + 2^2 + 6^2}$
= $\sqrt{4 + 4 + 36}$
= $\sqrt{44}$
= $2\sqrt{11}$ cm
Hence, the correct answer is $2\sqrt{11}$.

Know More About

Related Questions

Manipal Online M.Com Admissions
Apply
Apply for Online M.Com from Manipal University
View All Application Forms

Upcoming Exams

Exam Date: 3 Jan, 2026 - 20 Jan, 2026
Application Date: 10 Jan, 2026 - 9 Feb, 2026
Application Date: 11 Dec, 2025 - 11 Jan, 2026
Application Date: 16 Dec, 2025 - 16 Jan, 2026

Download the Careers360 App on your Android phone

Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile

150M+ Students
30,000+ Colleges
500+ Exams
1500+ E-books