Mathematics 0580 · IGCSE · Ratio and proportion

Ratio and proportion — practice question

Khamisi is aiming to attain the level needed to take part in an international athletics competition.
(a(i))[1]

Show that $3\frac{1}{4}$ hours is the same as 195 minutes.

(a(ii))[2]

Work out the time at which he goes to bed.

(a(iii))[2]

Find, in its simplest form, the ratio of training : studying : eating.

(b(i))[1]

Calculate how many minutes he spends on the running track.

(b(ii))[1]

Calculate the number of minutes he spends with his trainer.

(b(iii))[1]

Calculate how many minutes he spends in the gym.

(c)[3]

Calculate the percentage decrease in his best time required to reach the qualifying time.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: $3\frac{1}{4} \times 60 = 195$

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