O-LevelMathematicsNumber4024/12 · May/June 2024 · Q193 Marks
The mass of a bag of almonds is 125 g, correct to the nearest gram. Write down the lower bound of the mass of the bag of almonds.
- (a)The mass of a bag of almonds is 125 g, correct to the nearest gram. Write down the lower bound of the mass of the bag of almonds.[1]
- (b)The mass of a large box is 500g, correct to the nearest 10 grams. The mass of a small box is 250g, correct to the nearest 10 grams. Calculate the upper bound of the difference between the mass of a large box and the mass of a small box.[2]
Mark scheme
Marking points from the official mark scheme (May/June 2024). The mark or mark type is shown in brackets.
- [1] (a) 124.5
- [2] (b) 260 nfww
- [1] B1 for 505 and 245 seen
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