O-LevelMathematicsNumber4024/22 · May/June 2024 · Q36 Marks
The exchange rate between dollars ($) and Malaysian Ringgits (MYR) is $1 = 4.19 MYR. The exchange rate between dollars ($) and Pakistani Rupees (PKR) is $1 = 179.12 PKR. Find the exchange rate between Malaysian Ringgits and Pakistani Rupees.
- (a)The exchange rate between dollars ($) and Malaysian Ringgits (MYR) is $1 = 4.19 MYR. The exchange rate between dollars ($) and Pakistani Rupees (PKR) is $1 = 179.12 PKR. Find the exchange rate between Malaysian Ringgits and Pakistani Rupees.[2]
- (b)Farhad invests $1500 in an account paying compound interest at a rate of 4% per year. Gulsan invests $1500 in an account paying simple interest at a rate of x% per year. Farhad and Gulsan have the same amount of money in their accounts at the end of 2 years. Calculate the value of x.[4]
Mark scheme
Marking points from the official mark scheme (May/June 2024). The mark or mark type is shown in brackets.
- [2] 42.75
- M1 for 179.12 / 4.19
- [4] 4.08
- M3 for 1500×(1+4/100)^2-1500 / 1500×2 [x100] oe
- OR
- B2 for 1622.4[0] or 122.4[0]
- or M1 for 1500(1+4/100)^2 oe
- M1 for their 1622.40 = 1500 + 1500×2×x / 100 oe
- After 0 scored, SC1 for answer 3.92[3...]
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 →