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Bounds

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Question 21

A rectangular paving stone has a length of 600 mm, to the nearest 20 mm, and a width of 300 mm, to the nearest 10 mm.

a.

Work out the lower bound for the perimeter of the paving stone.

[2]
b.

Work out the upper bound for the area of the paving stone.

[2]
Markscheme

Bounds Questions

  1. GCSE
  2. /Maths
  3. /Bounds

52 exam-style questions on OCR GCSE Maths Bounds. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank