20000(11/10)4 - 20000(6/5)2 = 482
How much more would Rs.20000 fetch, after two years, if it is put at 20% p.a. compound interest payable half yearly than if is put at 20% p.a. compound interest payable yearly?
Options:
1) Rs.482
2) Rs.424
3) Rs.842
4) Rs.512
5) Rs.524