Ratio and Proportion Quiz

Simplify 36 : 54 : 72.

• 2 : 3 : 4

• 2 : 4 : 9

• 3 : 4 : 9

• 3 : 6 : 8

If a : b = 4 : 7 and b : c = 3 : 5, find a : b : c.

• 12 : 20 : 35

• 12 : 35 : 28

• 12 : 21 : 35

• 20 : 21 : 28

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

If 30 : 38 = 27 : x, what is the value of x?

• 16.5

• 20.8

• 34.2

• 42.7

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The ratio of nurse to patient is 5 : 37. How many nurses are needed to take care 629 patients?

• 79

• 85

• 90

• 95

A school has a total of 3,300 students. The ratio of female to male students is 4 : 7. How many female students are there?

• 1,180

• 1,200

• 2,000

• 2,100

The length of a square is 5 cm. What is the ratio of the length to the area of this square?

• 1 : 3

• 1 : 5

• 5 : 3

• 5 : 1

Tags

CCSS.7.G.B.6

CCSS.7.RP.A.1

The ratio of the sides of a triangle is 2 : 3 : 5. The shortest side of the triangle is 15 cm. How long is the longest side?

• 27.5 cm

• 37.5 cm

• 47.5 cm

• 57.5 cm

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Maggie, Petal and Lilliian are given money in the ratio of 3 : 5 : 7. If the total amount of money given to them was $75, how much money does Lillian receive?

• 35

• 70

• 75

• none of the above

Select the one that is a ratio (more than one answer)...

• 50 km/hr

• a + b = c

• 6 : 5

• 6 cats to 3 dogs

A (a)   is a statement of two equal ratios.