Blue Prints Ltd., purchased building worth Rs.1,50,000, machinery worth Rs.1,40,000 and furniture worth Rs.10,000 from XYZ Co., and took over its liabilities of Rs. 20,000 for a purchase consideration of Rs. 3,15,000. Blue Prints Ltd., paid the purchase consideration by issuing 12% debentures of Rs. 100 each at a premium of 5%. Number of debentures issued are-