O-LevelMathematicsNumber4024/22 · May/June 2020 · Q16 Marks
Stefan had an annual income of $21500 in 2018. His annual income increased to $22790 in 2019. Calculate the percentage increase.
- (a)Stefan had an annual income of $21500 in 2018. His annual income increased to $22790 in 2019. Calculate the percentage increase.[2]
- (b)Stefan invests $1260 in a bank. The bank pays simple interest at a rate of 2.5% per year. Calculate the amount Stefan has in the bank at the end of 3 years.[2]
- (c)Stefan changes 4300 Indian Rupees (INR) into dollars ($). The exchange rate is $1 = 67.8 INR. Work out how much he receives. Give your answer correct to the nearest dollar.[2]
Mark scheme
Marking points from the official mark scheme (May/June 2020). The mark or mark type is shown in brackets.
- [2] (a) 6
- [2] M1 for (22790-21500)/21500 [x100] oe or 22790/21500 ×100 oe
- [2] (b) 1354.5[0]
- [2] M1 for [1260+] (3×2.5)/100 ×1260 oe
- [2] (c) 63[.00] cao
- [2] M1 for 4300/67.8 soi
Write your answer and get it marked
On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.
Sign up free →