Question:If `11.25`m of a uniform iron rod weighs `42.75`kg , what will be the weight of `6` m of the same rod ? 

A `22.8`kg 
B `25.6`kg 
C `28`kg 
D `26.5`kg 

+ Answer
A 

+ Explanation
Less length, less weight (Direct)

`:. 11.25 : 6 :: 42.75 : x` or

`x = ((6 xx 42.75)/(11.25))`

`= 22.8`.

`:.` Weight of `6` m long rod 

`= 22.8` kg.

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Md. Habib Ullah

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