A principal amount of Rs. 30000 is invested for 2 years giving a compound interest of Rs. 9675. Find the compound interest calculated half-yearly at the same rate of interest on double principle amount for 1.5 years.
1
Rs. 14537.8
2
Rs. 23450.50
3
Rs. 19690
4
Rs. 12566.5
5
Rs. 17780.8