NBT NBT Quantitative Literacy: Percentages and Financial Mathematics 6

Question 1

A receipt shows: Subtotal R680, VAT (15%) R102, Total R782. The customer checks: is the VAT correct?

Accepted Answer

Yes, R102 is 15% of R680

Answer

No, VAT should be R103

Answer

No, VAT should be R117.30

Answer

No, VAT should be R99

Question 2

A bar graph shows monthly savings: Jan R600, Feb R450, Mar R750. What percentage of the 3-month total was saved in March?

Accepted Answer

41.7%

Answer

43.2%

Answer

39.5%

Answer

45%

Question 3

An exchange table shows: R1 = A$0.078. A South African buys goods worth A$234. How much does she pay in rands?

Accepted Answer

R3 000

Answer

R2 880

Answer

R3 120

Answer

R2 756

Question 4

A municipality increases water tariffs by 8.5% every year. If the current tariff is R12.00 per kL, what will it be in 2 years?

Accepted Answer

R14.11

Answer

R14.04

Answer

R13.84

Answer

R14.40

Question 5

A store offers: Buy 3, pay for 2. If each item costs R85, what is the effective percentage discount when buying 3 items?

Accepted Answer

33.3%

Answer

25%

Answer

30%

Answer

50%

Question 6

A table shows that 840 out of 1 200 surveyed households own a microwave. What percentage do NOT own a microwave?

Accepted Answer

30%

Answer

70%

Answer

25%

Answer

35%

Question 7

Inflation runs at 6% per year. An item costs R45 today. Approximately what will it cost in 3 years?

Accepted Answer

R53.59

Answer

R54.00

Answer

R52.20

Answer

R56.70