Ratio Comparisons

The ratio of the ages of three friends is 6:5:4. If the total age is 150 years, what are their ages?

• 65, 55, 30

• 55, 45, 50

• 60, 50, 40

• 70, 50, 30

If the total ages of a brother and sister is 30 years and the ratio of their ages is 4:1, what are their ages?

• Brother: 30 years, Sister: 0 years

• Brother: 18 years, Sister: 12 years

• Brother: 20 years, Sister: 10 years

• Brother: 24 years, Sister: 6 years

The ratio of cats to dogs in a pet store is 5:3. If there are 15 cats, how many dogs are there?

• 6

• 12

• 15

• 9

A teacher's age is twice that of a student's age. If the student is 12 years old, how old is the teacher?

• 18 years old

• 20 years old

• 30 years old

• 24 years old

The ratio of the lengths of two ribbons is 2:3. If the longer ribbon is 30 cm, what is the length of the shorter ribbon?

• 25 cm

• 35 cm

• 15 cm

• 20 cm

The ratio of the number of boys to girls in a class is 3:4. If there are 21 boys, how many girls are there?

• 32

• 28

• 30

• 24

If the total ages of a mother and daughter is 50 years and the ratio of their ages is 5:3, what are their ages?

• Mother: 30 years, Daughter: 20 years

• Mother: 25 years, Daughter: 25 years

• Mother: 31.25 years, Daughter: 18.75 years

• Mother: 40 years, Daughter: 10 years

The ratio of apples to oranges is 7:5. If there are 35 apples, how many oranges are there?

• 20

• 25

• 30

• 15

The ratio of the number of books to magazines in a library is 9:2. If there are 72 books, how many magazines are there?

• 12

• 18

• 16

• 24

If the total ages of a father and son is 45 years and the ratio of their ages is 5:2, what are their ages?

• Father: 35 years, Son: 10 years

• Father: 25 years, Son: 20 years

• Father: 30 years, Son: 15 years

• Father: 32 years, Son: 13 years