Question

A class has 100 students. if 60 know English, 80 know Hindi, and all the students of the class know either Hindi or English or both, find the number of students who know both the languages.

Answer 1

ANSWER

KNOW ENGLISH=60

KNOW HINDI=80

TOTAL STUDENTS=100

NUMBER OF STUDENT WHO KNOW BOTH LANGUAGES=

$(80 + 60) - 100$

$140 - 100$
then the answer is 40

Answer 2

students who knows english = 60
students who knows hindi = 80
total students =100
students who knows both =(60+80)-100
140-100=40
40 students are knows both languages hindi and english
Hope's its help to u