Divide Rs. 1800 among A, B and C so that A receives 2/5 as much as B and C together and B receives 1/5 as A and C together. A's share is?  Options.
A) 400  B) 500  C) 375  D) 450  E) 600

Rationale: a + b + c = 1800 a = 2 / 5 ( b + c ) ; b = 1 / 5 ( a + c ) a / ( b + c ) = 2 / 5 a = 1 / 6 * 3600 = > 600 answer : e
Answer: E