National Benchmark Tests (NBT) · Quantitative Literacy

Money, interest and exchange rates

23 practice questions, each with the answer and an explanation.

Practise Money, interest and exchange rates now

Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 23 questions

  1. A product is sold in three sizes: 500 g for R40, 750 g for R54 and 1000 g for R76. Which size is the cheapest per gram?
  2. A product is sold in three sizes: 200 g for R12, 400 g for R22 and 600 g for R36. Which size is the cheapest per gram?
  3. A product is sold in three sizes: 250 g for R18, 500 g for R32 and 1000 g for R65. Which size is the cheapest per gram?
  4. A product is sold in three sizes: 330 g for R9, 660 g for R17 and 1000 g for R28. Which size is the cheapest per gram?
  5. R2 000 is invested for 2 years at 10% simple interest per year. How much interest is earned?
  6. R10 000 is invested for 2 years at 5% compound interest per year. How much interest is earned?
  7. R4 000 is invested for 2 years at 10% compound interest per year. How much interest is earned?
  8. R10 000 is invested for 2 years at 5% simple interest per year. How much interest is earned?
  9. R4 000 is invested for 2 years at 10% simple interest per year. How much interest is earned?
  10. R2 000 is invested for 2 years at 10% compound interest per year. How much interest is earned?
  11. R5 000 is invested for 2 years at 8% compound interest per year. How much interest is earned?
  12. R1 000 is invested for 2 years at 20% compound interest per year. How much interest is earned?
  13. R1 000 is invested for 2 years at 20% simple interest per year. How much interest is earned?
  14. R5 000 is invested for 2 years at 8% simple interest per year. How much interest is earned?
  15. The exchange rate is R17,5 to US$1. How many rand do you get for US$120?
  16. The exchange rate is R16 to US$1. How many rand do you get for US$120?
  17. The exchange rate is R20 to US$1. How many rand do you get for US$200?
  18. The exchange rate is R16 to US$1. How many rand do you get for US$75?
  19. The exchange rate is R17,5 to US$1. How many rand do you get for US$200?
  20. The exchange rate is R18 to US$1. How many rand do you get for US$75?
  21. The exchange rate is R19 to US$1. How many rand do you get for US$200?
  22. The exchange rate is R17,5 to US$1. How many rand do you get for US$350?
  23. The exchange rate is R20 to US$1. How many rand do you get for US$75?

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