in A group of students 100 know hindi,50 know english and 33 know both. how many students are there in the group?
Answers
Answered by
0
Answer:
84 students
Step-by-step explanation:
50 100
- -
33
= =
67 17
67+17 =84
Answered by
0
Step-by-step explanation:
let E be all students that know english
let H be all students that know hindi
no. of students that know hindi= n(H)=100
no. of students who know english= n(E)= 50
no. of students who know both= n( H ∪ E)=33
H ∪ E= 100+50-33
= 150-33
=147
147 students are there.
Similar questions