`40%` of all high school students hate roller coasters, the rest love them. `20%` of those students who love roller coasters own chinchillas. What percentage of students love roller coasters but do not own a chinchilla?

If in praxis Business school 40 students like chocolate while 30 like cake,if there are 10 students who like both and an equal number of students who like none of them. What percentage of student do not like cake ?

Question 4-6 refer to the above table, which summarizes the result of a survey of the student body of a high school about club membership in which each student enrolled in the high school enumerated the clubs in which they were members. Q. If 28% of the students who are enrolled in this school belong to at least two clubs, how many students who are enrolled in this school did not participate in the survey?

In an examination the percentage of students qualified to the number of students appeared from school A is 70%. In school B, the number of students appeared is 20% more than the student appeared from school A and the number of students qualified from school B is 50% more than the students qualified from school A. What is the percentage of students qualified to the number of students appeared from school B? 30 % b. 70 % c. 78. 5 % d. 87.5%

In a school, 60% of the numberof students are boys and the rest are girls. If 20% of the number of boys failed and 65% of the number of girls passed the examination, then the percentage of the total number of students who passed is:

In a class, each student likes either cricket or football 40% of the students like football. 80% of the students like cricket. The number of studnets who like only cricket is 40 more than the number of students who like only football. What is the strength of the class?

The ratio of the number of boys are girls in a school is 3 :2 .If 20% of boys and 30% of the girls are scholarship holders , what percentage of the students does not get the scholarship ?

A certain number of students from school X appeared in an examination and 30% students failed. 150% more students than those from school X, appeared in the same examination from school Y. If 80% of the total number of students who appeared from X and Y passed, then what is the percentage of students who failed from Y ? एक परीक्षा में स्कूल X के कुछ छात्र उपस्थित हुए और 30% छात्र फेल हो गए। स्कूल X के छात्रों की तुलना में 150% अधिक छात्र, स्कूल Y से उसी परीक्षा में उपस्थित हुए। यदि X और Y से उपस्थित होने वाले छात्रों की कुल संख्या का 80% उत्तीर्ण हो गया, तो Y से फेल हुए छात्रों का प्रतिशत क्या है?

In the International Oxford School, all students play at least one of the two games rugby and baseball . 40% of all students play both rugby and baseball. If 20% of the students who play baseball do not play rugby , then what is the percentage of all students who plya baseball ?