Question

In a school, the students are fans of none or of one or more of the four actors,
Shahrukh, Salman, Aamir, Hritik. 20% of the students do
not like any of these four actors. The four actors given in
the above order are liked by 230, 180, 180 and 220 students
respectively. The number of students who like exactly 2
actors for any two actors is 20. There are 30 students who
like all the four actors but there is nobody who likes exactly
three out of four actors.
Q1. How many students like exactly two actors?
Q2. How many students like at least two actors?
Q3. How many students are there in the school?
Q4. What percentage of the total students who like Hritik
also like at least one other actor?

Answer 1

Answer:

1)240

2)270

3)910

Step-by-step explanation:

1) total number of combination =4*3 =12

total number of students liking two actors=240

2)240 + 30=270

3)230+180+180+220=810