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O-LevelMathematicsNumber4024/11 · May/June 2012 · Q52 Marks

An empty lorry has a mass of 4.3 tonnes, correct to the nearest tenth of a tonne.

  1. (a)What is the lower bound for the mass of the empty lorry?[1]
  2. (b)The total mass of the lorry and its load is 6.8 tonnes, correct to the nearest tenth of a tonne. Find the upper bound for the mass of the load.[1]

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About this question

Topic
Number, O-Level Mathematics (syllabus 4024). Structured question, 2 marks.
Source
O-Level Mathematics, May/June 2012 Paper 1 Variant 1, question 5.

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