How is the probability 25% written as fraction?

How is the probability 1/5 written in percentage?

In a certain town, 60% of the families own a car, 30% own a house and 20% own both car and house. If a family is randomly chosen, then what is the probability that this family owns a car or a house but not both?

Ina certain town, 40% of the people have brown hair, 25% have brown eyes, and 15% have both brown hair and brown eyes. If a person selected at random from the town has brown hair, the probability that he also has brown eyes is 1//5 b. 3//8 c. 1//3 d. 2//3

It is know that 10% of certain articles manufactured are defective.What is the probability that in a random sample of 12 such articles,9 are defective?

If the letters of the word PROBABILITY are written down at random in a row, the probability that two B-s are retogether is

X speaks truth in 60% and Y in 50% of the cases. Find the probability that they contradict each other narrating the same incident.