My answer is S$217,900.
Principle amount of S$150,000 will convert to RM$337,500.
5.5 years of interest at 6% = 5.5*0.06*337,500 = RM$111,375
Total amount received in RM$ after 5.5 years = RM$448,875
With an exchange rate of RM$2.06 = S$1.00, that will bring
S$217,900