Mathematics 4024 · O Level · Limits of accuracy

Limits of accuracy — practice question

(a)[1]

An aircraft departs at $22\,35$ for a flight lasting $3$ hours and $50$ minutes. Find the time of arrival.

(b)[1]

The aircraft travels $3200\text{ km}$, correct to the nearest $100\text{ km}$. State the lower bound for the distance.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Final answer: $02\ 25$” …