3181: A lottery system has ticket numbers with eight digits. There are ten first prizes of Rs. 1.00 lakh each, one hundred second prizes of Rs. 10,000 each and one thousand third prizes of Rs. 1,000 each. At the draw of lots, an eight digit number is generated by choosing for each digit from left to right a random number in the range of 0 to Q. Any one who has a ticket with the first two digits (from left to right) matching, the chosen number gets a first prize, and so on. One individual purchases a large number of tickets at a discounted price of Re. 0.75 each. For how much money should he purchase tickets to achieve a 10% chance of winning a third prize ?
(a) Rs. 10,000
(b) Rs. 75,000
(c) Rs. 1,00,000
(d) Rs. 7,500