A man sold 18 toys for Rs. 25200, gaining thereby the cost price of 3 toy find the cost price of a toy	Choose the correct choice from the following options:
A) s . 600
B) s . 800
C) s . 500
D) s . 900
E) s . 1200

Rationale: let the cost of one toy = x . then , cost of 18 toys = 18 x . gain = 3 x . sp of 18 toys = rs . 25200 . gain = sp â € “ cp 3 x = 25200 â € “ 18 x 21 x = 25200 x = rs . 1200 . answer : option e
Answer: E