If 11.25 m of a uniform steel rod weighs 42.75 kg. what will be the weight of 7 m of the same rod?	Options
A) 22.8 kg  B) 26.6 kg  C) 28 kg  D) 26.5 kg  E) None of these
Explanation :   Let the required weight be x kg. Then, Less length, Less weight (Direct Proportion)   =&gt; 11.25 : 7 :: 42.75 : x   =&gt; 11.25 x x = 7 x 42.75   =&gt; x = (7 x 42.75) / 11.25   =&gt; x = 26.6   Answer : 26.6 kg
<result>B</result>
If 11.25 m of a uniform steel rod weighs 42.75 kg. what will be the weight of 7 m of the same rod?