O-LevelMathematicsNumber4024/12 · May/June 2017 · Q133 Marks
Rani has $240. She spends 5/8 of this on a new phone. Work out the cost of the phone.
- (a)Rani has $240. She spends 5/8 of this on a new phone. Work out the cost of the phone.[1]
- (b)Anna invests $150 in an account that pays simple interest. She leaves the money in the account for 4 years. At the end of 4 years she has $162. Work out the rate of simple interest paid per year.[2]
Mark scheme
Marking points from the official mark scheme (May/June 2017). The mark or mark type is shown in brackets.
- [1] (a) 150
- [2] (b) 2
- M1 for (162 – 150) = 150 × x/100 × 4 oe
- After 0 scored, C1 for answer 27
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