Three quantities ratios

A : B = 1 : 3

B : C = 2 : 5

Find A : B : C.

(You do NOT have to leave a space, eg. 3:1)

The ratio of the number of red buttons to green buttons is 3 : 4.

The ratio of the number of yellow buttons to green buttons is 1 : 2.

What is the ratio of the number of red buttons to green buttons to yellow buttons?

(You do NOT have to leave a space, eg. 3:1)

The ratio of the number of blue paper clips to the number of red paper clips to the number of green paper clips is ...

Express 15 : 24 : 18 in its simplest form

Find the missing number.

5 : 3 : 4 = ..... : 18 : 24

If X : Y = 3 : 4 and Y : Z = 6 : 5,

find the ratio of X : Y : Z.

Express your answer in the simplest form.

At the cinema, the ratio of the number of adults to children is 3 : 4.

The ratio of the number of boys to adults is 1 : 3.

What is the ratio of the number of adults to boys to girls?

A rope is cut into 3 pieces, A, B and C in the ratio 3 : 2 : 5. The length of the shortest piece is 14 m.

What is the length of the longest piece of rope?

Calculate the value of p when 10, 6, and p are in continued proportion?

Find the ratio of the number of apples to the number of oranges to the number of pears.