70% of students in a group of students are English and 65% students can speak Hindi. If 27% students If neither of them can speak the language What percentage of students can speak both languages? Rani

In a group of students,70% can speak English and 65% can speak Hindi.If 27% of the students can speak none of the two languages, then what percent of the group can speak both the languages?

In an examination 65% students pass in History and 55% students pass in Hindi. If 5% students fail in both the subjects, then what is the percentage of students who have passed in both the subjects?

There are 50 students admitted to a nursery class. Some students can speak only English and some can speak only Hindi. Ten students can speak both English and Hindi. If the number of students who can speak English is 21, then how many students can speak Hindi, how many can speak only Hindi and how many can speak only English?

In a group of 500 students, there are 475 students who can speak Hindi and 200 can speak Bengali. What is the number of students who can speak Hindi only ?