Ratio and proportion

The ratio of 1 cm to 1 m can be written as

• 1:1

• 1:10

• 1:100

• 10:1

A basket has 15 mangosteen and a number of oranges. The ratio of mangosteen to orange is 1 : 3. Calculate the number of oranges.

• 10

• 15

• 30

• 45

Ani's age to her mother's age is 1 : 4. Ani's mother's age is 48 years. What is Ani's age?

• 10

• 12

• 14

• 16

Given mass of two children

Noor 13 kg 200 g

Wahidah 11 kg 50 g

Calculate the ratio , in kg of the mass of Wahidah to the mass of Noor

• 11.05 : 13.2

• 13.2 : 11.05

• 11.5 : 13.2

• 13.2 : 11.5

There are 7 pens and 5 pencils in two different containers.

State the ratio of the number of pens to the total number of pens and pencils.

• 7 : 11

• 5 : 12

• 7 : 12

• 12 : 7

The length of a wood is 4 m 80 cm. The wood is cut into 6 pieces of the same length. Calculate , the length , in cm of each of the wood cutting.

• 60 cm

• 70 cm

• 80 cm

• 90 cm

Musyhi has 4 red marbles, 5 green marbles, and 6 yellow marbles. What is the ratio of red marbles to the entire marbles?

• 2 :7

• 4 : 3

• 5 : 12

• 4 : 15

Ram, Shan, Maria and Rodi shared RM 17 000 equally. How much does each one gets?

• RM 3 660

• RM 3 950

• RM 4 250

• RM 4 340

A string of length 498 cm is cut into 6 equal length. Find the length, in m of each part.

• 0.83

• 0.86

• 0.89

• 0.91

There are 3 female and 2 male in a study group. The ratio of number of male students to number of female students is

• 3 : 2

• 3 : 5

• 2 : 5

• 2 : 3