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O-LevelMathematicsNumber4024/12 · May/June 2016 · Q163 Marks

Anil has some sweets with a mass of 600 g, correct to the nearest 10 grams.

  1. (a)Write down the lower bound of the mass of sweets.[1]
  2. (b)Anil sells the sweets in small portions. Each portion has a mass of 25 g, correct to the nearest gram. He sells 10 portions of the sweets. Calculate the lower bound of the mass of sweets remaining.[2]

Mark scheme

Marking points from the official mark scheme (May/June 2016). The mark or mark type is shown in brackets.

  1. [1] (a) 595
  2. [2*] (b) 340
  3. M1 for 10 × 25.5 soi

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About this question

Topic
Number, O-Level Mathematics (syllabus 4024). Structured question, 3 marks.
Source
O-Level Mathematics, May/June 2016 Paper 1 Variant 2, question 16.

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