Question

In mohan's class, there are 30 students 20 students are good at maths, 18 students are good at history and 12 students are good at both the subjects

Draw a Venn diagram and using that find the following:

a. Number of students good at maths only.
b. Number of students good at history only .
c. Number of students good at least one subject.
d. Number of students good at neither of two. ​

Answer 1

Answer:

Student in class 30

So science students 30

Maths students 20

History students 18

Both science and maths 12

Total 80in class

So it s not possible..