यदि (n(A-B)=36), (n(B-A)=28), (n\(A\cap B\)=22) और (n(U)=120) है, तो (n\(A^c\cup B^c\)) कितना होगा?

If (n(A-B)=36), (n(B-A)=28), (n\(A\cap B\)=22), and (n(U)=120), what is (n\(A^c\cup B^c\))?

Explanation opens after your attempt
Correct Answer

D. (98)

Step 1

Concept

(A^c\cup B^c=\(A\cap B\)^c), so (120-22=98). The complement of the common part is found by subtracting it from (U).

Step 2

Why this answer is correct

The correct answer is D. (98). (A^c\cup B^c=\(A\cap B\)^c), so (120-22=98). The complement of the common part is found by subtracting it from (U).

Step 3

Exam Tip

(A^c\cup B^c=\(A\cap B\)^c), इसलिए (120-22=98)। साझा भाग का पूरक पूरे (U) से साझा भाग घटाकर मिलता है।

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यदि (n(A-B)=36), (n(B-A)=28), (n\(A\cap B\)=22) और (n(U)=120) है, तो (n\(A^c\cup B^c\)) कितना होगा? / If (n(A-B)=36), (n(B-A)=28), (n\(A\cap B\)=22), and (n(U)=120), what is (n\(A^c\cup B^c\))?

Correct Answer: D. (98). Explanation: (A^c\cup B^c=\(A\cap B\)^c), इसलिए (120-22=98)। साझा भाग का पूरक पूरे (U) से साझा भाग घटाकर मिलता है। / (A^c\cup B^c=\(A\cap B\)^c), so (120-22=98). The complement of the common part is found by subtracting it from (U).

Which concept should I revise for this Mathematics MCQ?

(A^c\cup B^c=\(A\cap B\)^c), so (120-22=98). The complement of the common part is found by subtracting it from (U).

What exam hint can help solve this Mathematics question?

(A^c\cup B^c=\(A\cap B\)^c), इसलिए (120-22=98)। साझा भाग का पूरक पूरे (U) से साझा भाग घटाकर मिलता है।