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Q: If 11.25 m of uniform iron rod weighs 42.75 kg, what will be the weight of 6m of the same rod?
A. 22.8 kg B. 25.8 kg
C. 28 kg D. 26.5 kg

Answer and Explanation

Answer:22.8 kg

Explanation:
Let the required weight be x kg. Less length, less weight (direct proportion)
Hence, 11.25 : 6 ::42.75 : x
 => x = (6 * 42.75)/11.25
      x = 22.8

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