Comprehension Passage
Directions: Please read the instruction carefully to give answers.
There are 160 students in a college those who can speak three languages English, Hindi, Telugu not necessary in the same order. Total students who speak English is 60, Total students who can speak Hindi is 90, Total students who can speak Telugu is 100. Students who can speak all three languages is 10. Students who can speak only English and Hindi is 10. Students who can speak only Hindi and Telugu is 40. Students who can speak only Telugu and English is 20.
Find the difference between students who can speak only two languages and who can speak all three languages.
1
60
2
70
3
30
4
40
5
None