Question

I do not understand the first three questions. Can you explain me?

Step 1

In this question, It has been given that,

Total No. of people = 88

55 people liked Future 1

16 people liked Future 2

43 people liked Future 3

13 people liked 1 & 2

7 people liked 2 & 3

16 people liked 1 & 3

Based on this information we have to find answers of few questions.

Step 2

After the calculation we made venn diagram, shown below,

Step 3

**How many people didn’t like any film? **

Based on the above Venn diagram, we can see that 5 people didn’t like any Films,

No. of people any at-least one film = 25 + 31 + 1 + 11 + 8 + 2 + 5 = 83,

Total no. of people being surveyed = 88,

Therefore no. of people who didn’t like any film = 88 – 83 = 5,

There are 5 people out of 88 who didn’t like any film.

**How many people like only one film? **

No. of people who liked only one film is equal to;

= 31 + 25 + 1

= 57

**How many people liked I or III? **

(I or III) = (I) + (III) – (I AND III)

(I or III) = 55 + 43 – 16

(I or III) = 82

**How many liked...**

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