एक सर्वे में (n(U)=240), (n(A)=112), (n(B)=104), (n(C)=93), (n\(A\cap B\)=46), (n\(B\cap C\)=38), (n\(C\cap A\)=35) और (n\(A\cap B\cap C\)=17) है। किसी भी समुच्चय में न आने वालों की संख्या कितनी है?

In a survey (n(U)=240), (n(A)=112), (n(B)=104), (n(C)=93), (n\(A\cap B\)=46), (n\(B\cap C\)=38), (n\(C\cap A\)=35) and (n\(A\cap B\cap C\)=17). How many are in none of the sets?

Explanation opens after your attempt
Correct Answer

A. (33)

Step 1

Concept

(n\(A\cup B\cup C\)=112+104+93-46-38-35+17=207), so outside is (240-207=33). First find the union and then take the complement.

Step 2

Why this answer is correct

The correct answer is A. (33). (n\(A\cup B\cup C\)=112+104+93-46-38-35+17=207), so outside is (240-207=33). First find the union and then take the complement.

Step 3

Exam Tip

(n\(A\cup B\cup C\)=112+104+93-46-38-35+17=207), इसलिए बाहर (240-207=33) है। पहले संघ निकालकर पूरक लें।

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एक सर्वे में (n(U)=240), (n(A)=112), (n(B)=104), (n(C)=93), (n\(A\cap B\)=46), (n\(B\cap C\)=38), (n\(C\cap A\)=35) और (n\(A\cap B\cap C\)=17) है। किसी भी समुच्चय में न आने वालों की संख्या कितनी है? / In a survey (n(U)=240), (n(A)=112), (n(B)=104), (n(C)=93), (n\(A\cap B\)=46), (n\(B\cap C\)=38), (n\(C\cap A\)=35) and (n\(A\cap B\cap C\)=17). How many are in none of the sets?

Correct Answer: A. (33). Explanation: (n\(A\cup B\cup C\)=112+104+93-46-38-35+17=207), इसलिए बाहर (240-207=33) है। पहले संघ निकालकर पूरक लें। / (n\(A\cup B\cup C\)=112+104+93-46-38-35+17=207), so outside is (240-207=33). First find the union and then take the complement.

Which concept should I revise for this Mathematics MCQ?

(n\(A\cup B\cup C\)=112+104+93-46-38-35+17=207), so outside is (240-207=33). First find the union and then take the complement.

What exam hint can help solve this Mathematics question?

(n\(A\cup B\cup C\)=112+104+93-46-38-35+17=207), इसलिए बाहर (240-207=33) है। पहले संघ निकालकर पूरक लें।