4024/11 Oct/Nov 2024, Question 23: Upper and Lower Bounds
Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 2 marks
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The question, in short
Rectangle length 32 cm, width 15 cm, each to nearest centimetre. Find upper bound of length and upper bound of length minus width.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Part (a) · 1 mark
State the upper bound for the 32 cm length measurement.
- 1Upper bound = 32 + 0.5 = 32.5 cm
Answer32.5
Part (b) · 1 mark
Work out the upper bound for the difference between length and width.
- 1Upper bound of difference = upper length − lower width
- 2= 32.5 − 14.5 = 18 cm
Answer18
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Also searched as: 4024/11/O/N/24 · 4024_w24_qp_11 · 4024 w24 11 · question 23.
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