If 11.25 m of a uniform steel rod weighs 42.75 kg. what will be the weight of 5 m of the same rod?  Answers.
A) 22.8 kg	B) 25.6 kg	C) 19 kg	D) 26.5 kg	E) none of these

Rationale: "explanation : let the required weight be x kg . then , less length , less weight ( direct proportion ) = > 11.25 : 5 : : 42.75 : x = > 11.25 x x = 5 x 42.75 = > x = ( 5 x 42.75 ) / 11.25 = > x = 19 answer : c"
Answer: C