A man sold 18 toys for Rs. 23100, gaining thereby the cost price of 3 toy find the cost price of a toy	Options.
A) s . 600
B) s . 800
C) s . 500
D) s . 900
E) s . 1100

Rationale: "let the cost of one toy = x . then , cost of 18 toys = 18 x . gain = 3 x . sp of 18 toys = rs . 23100 . gain = sp â € “ cp 3 x = 23100 â € “ 18 x 21 x = 23100 x = rs . 1100 . answer : option e"
Answer: E