Aptitude- Numerical Ratios

What is the approximate ratio of 9 to 56?

For every one boy in the class there are three girls. What is the ratio of girls to boys?

There are 363 blue stones for every 121 green stones in the box. What is the ratio of blue to green stones?

There are 4/7 as many yellow jelly beans in the jar as there are red jelly beans. What is the ratio of yellow jelly beans to red jelly beans in the jar?

Mike owns a collection of toy cars. 3/8 of the cars are green and the rest are pink. What is the ratio of green to pink cars?

A pet shop has 0.75 as many dogs as cats. What is the ratio of cats to dogs in the shop?

A dance group consists of 22 dancers. The ratio of men to women in the group is 5:6. How many of the dancers are women?

Ram bought 36 apples in the market. 20 apples were red and the remaining apples were green. What is the ratio of green to red apples?

Peter and Paul are roommates. Each of them pays the rent, according to their room's size. Peter's room is twice as big as Paul's. How much rent does Peter pay, if the total rent is £1200?

Kairen keeps blue and red marbles in her pocket in a ratio of 4 to 9. What is the ratio of red marbles to the total number of marbles in her pocket?