Question

in a group of students 100 students knows hindi, 50 knows English and 25 knows both. each student knows either hindi Or English. how many students are there in the group?​

Answer 1

Answer:

hindi U english = n (Hindi) + n(english) - n(both)

=100 + 50 - 25= 125 Ans

Answer 2

Step-by-step explanation:

Let, U is the set of all students in a group

H is the set of students who knows Hindi

E is the set of students who knows English

Therefore, U = H union E

Given,

n(H) = 100

n(E) = 50

n(H intersection E) = 25

n(U) = n(H) + n(E) - n(H intersection E)

= 100 + 50 - 25

= 125

Therefore, there are 125 students in a group.

Hope it's help you.

Mark me as brainlist and please follow me.