CXC general proficiency math exam: mathematics past paper 2009 jan Q1
1. (a) Calculate the EXACT value of
2 1\3 - 5/6 (3mrks)
Giving your answer as a fraction.
(b) BDS$ means Barbados dollars and EC$ means Eastern Caribbean dollars.
(i) Karen exchanged BDS$2000.00 and received EC$2700.00. Calculate the value of one BDS$ in EC$. (2mrks)
(ii) If Karen exchanged EC$432.00 for BDS$, calculate the amount of BDS$ which Karen would received. (2mrks)
[Assume that the buying and the selling are the same]
(c) A credit union pays 8% per annum compound interest on all fixed deposits. A customer deposited $24000 in an account. Calculate the total amount of money in the account at the end of two years. (4 marks)