Mathematics 4024 · O Level · Limits of accuracy

Limits of accuracy — practice question

(a)[1]

A movie runs for 1 hour 48 minutes and ends at 10.15 pm. Determine its starting time.

(b)[1]

A television screen has a size of $95\text{ cm}$, accurate to the nearest $5\text{ cm}$. State the upper bound for the size of the television screen.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$8{:}27\text{ pm}$” …