2025 SST PRELIMS P1 Q18

2025 SST PRELIMS P1 Q18

Secondary 4
5 marks
  1. Ellie changes 250 Singapore dollars to UK pounds, spends £100, and converts the remainder back to Singapore dollars. The exchange table gives a buying rate of £0.5746 and a selling rate of £0.5830 for one Singapore dollar. Calculate how many Singapore dollars she has left, to the nearest dollar.[2]
  2. Jane wants to borrow $88 000 for 5 years. Bank A charges 2.38% per annum compound interest, compounded half-yearly. Bank B charges 3.28% per annum simple interest. Determine which bank she should borrow from and support your answer with calculations.[3]

Solution:

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Answer:(a) \(\$80\) (b) Bank A

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