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O-LevelMathematicsNumber4024/12 · Oct/Nov 2017 · Q173 Marks

Find 110% of 70.

  1. (a)Find 110% of 70.[1]
  2. (b)When new, a car was worth $15000. After one year it was worth $12000. Calculate the percentage reduction in its value.[2]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2017). The mark or mark type is shown in brackets.

  1. [1] 17(a) 77
  2. [2] 17(b) 20
  3. M1 for a wholly correct method, such as (15000 - 12000) / 15000 × 100

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About this question

Topic
Number, O-Level Mathematics (syllabus 4024). Structured question, 3 marks.
Source
O-Level Mathematics, Oct/Nov 2017 Paper 1 Variant 2, question 17.

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