O-LevelMathematicsNumber4024/12 · May/June 2014 · Q143 Marks
A rectangular garden has length 35 metres and width 25 metres. These distances are measured correct to the nearest metre.
- (a)Write down the upper bound of the length of the garden.[1]
- (b)Work out the lower bound of the perimeter of the garden.[2]
Mark scheme
Marking points from the official mark scheme (May/June 2014). The mark or mark type is shown in brackets.
- [1] 35.5
- [2] 118
- [2] B1 for use of 34.5 and 24.5
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