In a 200 m race, A beats B by 20 m and c by 38m. In a race of 600 m B will beat C by	Choose the correct choice from the following answers.
A) 20 m B) 30 m C) 25 m D) 15 m E) 60 m

Rationale: "it means , when a covers 200 m , b covers only ( 200 - 20 ) = 180 m and c covers only ( 200 - 38 ) = 162 m = > when c covers 162 m , b covers 180 m = > when b covers 600 m , c covers 162 / 180 × 600 = 540 m hence , b beats c by 600 - 540 = 60 metre answer : e"
Answer: E