Quantitative Aptitude Ques 438

Question: 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? $

Options:

A) 288 m

B) 17 m

C) 29 m

D) 13 m

Show Answer

Answer:

Correct Answer: B

Solution:

  • Length of longest rod $ =\sqrt{12^{2}+9^{2}+8^{2}} $ $ =\sqrt{144+81+64}=\sqrt{289}=17,m $
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