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 a class of 40 students, 28 can speak Tamil and 30 can speak Telugu. All students can speak at least one of the two languages. Find the number of students who can speak only Tamil.

In a class of 40 students, 28 can speak Tamil and 31 can speak Telugu. All students can speak at least one of the two languages. Find the number of persons who can speak only Telugu?

In a class of 40 students, 28 can speak Tamil and 30 can speak Telugu. All students can speak at least one of the two languages. Find the minimum number of students who can speak both Tamil and Telugu.

In a group of 760 persons , 510 can speak Hindi and 360 can speak English .Find : how many can speak Hindi only ,