In a class of 150 students 55 speak En glish 85 Telugu and 30 neither English nor Telugun How many both Telugu?

1. Students who speak at least one language:

* Since 30 students speak neither language, that means 150 - 30 = 120 students speak at least one language (English or Telugu).

2. Total students speaking English or Telugu:

* Add the number of students speaking English and Telugu: 55 + 85 = 140

3. Overlap (Students speaking both):

* Subtract the number of students speaking at least one language from the total number speaking English or Telugu: 140 - 120 = 20

Answer: 20 students speak both English and Telugu.