Mathematics 0580 · IGCSE · Ratio and proportion

Ratio and proportion — practice question

There are 22 coloured pencils in a box. Of these, 6 are pink, 9 are blue and 7 are yellow.

(a)[2]

State the ratio pink pencils : not pink pencils. Write it in simplest form.

(b)[1]

One pencil is selected at random from the box. State the probability that the pencil is green.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The ratio is $3:8$.” …