Rohan went to buy 5 chocolates worth Rs. x.

He gave Rs. 200 rupee note to the shopkeeper to buy the chocolates then shopkeeper gave rest of the money in the denominations of 50 paise, 2 rupee and 10 rupees.

If the ratio of the number of coins is 18:13:9 respectively.

Then what is the price of 2 chocolates?