Grade-6 Chapter-12

A red square has a side length of 2 cm and a blue square has side length of 5 cm.

What is the ratio of the area of the red square area to the area of the blue square?

• 4:25

• 2:12

• 4:3

• 2:5

6 apples have a mass of 450 g.

80 grapes have a mass of 400 g.

What is the ratio of the mass of one grape to the mass of one apple in its simplest form?

The ratio of red flowers to white flowers in a display is 5 : 6. There are 42 white flowers, so how many red flowers are in the display?

Tigran’s height is 1 m 20 cm and Enrica’s height is 1 m.

What is the ratio (in cm) of Tigran's height to Enrica’s height in its simplest form?

Write in a simplest form: 12:32

In a display at the Easter Show the ratio of apples to oranges is 4 : 7.

If there are 56 oranges, how many apples are in the display?

A box contains 39 sweets. Yuto and Lin divide the sweets in the ratio 4 : 9.

How many sweets do they get each?

• Yuto gets 13 sweets.

  Lin gets 26 sweets.

• Yuto gets 26 sweets.

  Lin gets 13 sweets.

• Yuto gets 12 sweets.

  Lin gets 27 sweets.

• Yuto gets 27 sweets.

  Lin gets 12 sweets.

Share $96 in the ratio 2 : 1.

(For marking purposes, enter the smaller amount first and use "," between )

In a class of 33 students, the ratio of boys to girls is 4 : 7.

How many girls are in the class?