NBT Quantitative Literacy: Percentages and Financial Mathematics Flashcards
7 cards from real NBT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 NBT Quantitative Literacy: Percentages and Financial Mathematics flashcards as text
A jacket costs R480. During a sale it is reduced by 15%. What is the sale price?
Answer: R408
15% of R480 = R72, so R480 − R72 = R408.
Thandi earns R12 500 per month. She receives a 6% salary increase. What is her new monthly salary?
Answer: R13 250
6% of R12 500 = R750, so R12 500 + R750 = R13 250.
South Africa's VAT rate is 15%. An item costs R230 including VAT. What is the price before VAT?
Answer: R200
Price before VAT = R230 ÷ 1.15 = R200.
R5 000 is invested at 8% simple interest per year. How much interest is earned over 3 years?
Answer: R1 200
Simple interest = P × r × t = R5 000 × 0.08 × 3 = R1 200.
A shop buys goods for R640 and sells them for R800. What is the percentage profit?
Answer: 25%
Profit = R160; % profit on cost = (160 ÷ 640) × 100 = 25%.
R8 000 is invested at 10% compound interest per annum. What is the value after 2 years?
Answer: R9 680
After 2 years: R8 000 × (1.10)² = R8 000 × 1.21 = R9 680.
The exchange rate is R18.50 per US dollar. A tourist converts R5 550. How many dollars does she receive?
Answer: 300
R5 550 ÷ R18.50 per dollar = 300 dollars.