| What is the greatest length of the rod which can be kept in a room of dimensions |
| \[12\,m\times 9\,m\times 8\,m?\] |
 |
A) 288 m
B) 17 m
C) 29 m
D) 13 m
Correct Answer: B
Solution :
| Length of longest rod \[=\sqrt{{{12}^{2}}+{{9}^{2}}+{{8}^{2}}}\] |
| \[=\sqrt{144+81+64}=\sqrt{289}=17\,m\] |
You need to login to perform this action.
You will be redirected in
3 sec
