How to speak English like a native speaker

In a class of 60 students, 25 speaks. Hindi, 45 speak English. How many of them speak both English and Hindi, if each student speaks either English or Hindi?

In a group of 950 persons,750 can speak Hindi and 460 can speak English.Find: How many can speak both Hindi and English.How many can speak English only.How many can speak Hindi only

In a group of 400 people,250 can speak Hindi and 200 can speak English.How many people can speak both Hindi and English

In a gathering of 100 people, 70 of them can speak Hindi, 60 can speak English and 30 can speak French. Further, 30 of them can speak both Hindi and English, 20 can speak both Hindi and French. If x is the number of people who can speak both English and French, then which one of the following is correct? (Assume that everyone can speak at least one of the three languages.)

In a group of 800 people,550 can speak Hindi and 450 can speak English.How many can speak both Hindi and English?

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

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

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?