A carpenter makes tables and chairs. Each table requires 07 wooden blocks and 4 man hours to complete, while each chair takes 3 wooden blocks and 6 man hours. He has 100 such wooden blocks and 80 man hours at his disposal. The only limitation imposed on him is that number of chairs must be at least two times number of tables. He make profit of Rs.10 on each table that he sells and Rs. 06 on a chair. Formulate the given problem as an LPP.