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  1. Find the length of the largest rod that can be placed in a room 16m long, 12m broad and 10(2/3) m. high.
    1. 23 m.
    2. 68 m.
    3. 22
      2
      		m
      3
    4. 22
      1
      		m
      3
Correct Option: C

Length of the largest rod = √l² + b² + h²

= √16² + 12² +
32
 ²
3

= √ 400 +
1024
 = √
4624
 =
68
 = 22
2
 m
9933


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