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Let A and B be two sets such tat : n(A)=...

Let A and B be two sets such tat `: n(A)=20 ,\ n(AuuB)=42\ a n d\ n(AnnB)=4.` Find `n(B-A)`

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To solve the problem, we need to find \( n(B - A) \) given the following information: - \( n(A) = 20 \) - \( n(A \cup B) = 42 \) - \( n(A \cap B) = 4 \) ### Step 1: Use the formula for the union of two sets ...
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Let A and B be two sets such tat :n(A)=20,n(A uu B)=42 and n(A nn B)=4 Find n(B)

Let A and B be two sets such tat :n(A)=20,n(A uu B)=42 and n(A nn B)=4 Find n(A-B)

Let A and B be two sets such that : (i) n(A)=20,n(AuuB)=42andn(AcapB)=4 (ii) n(A)=17,n(AuuB)=38andn(AcapB)=2 . Find n (B) , n (A-B) and n (B-A).

Let A and B be two nonempty sets such that n(A)=5,n(B)=6 and n(AnnB)=3. Find (i) n(AxxB), (ii) n(BxxA)" and "(iii) n{(AxxB)nn(BxxA)}.

Let A and B be two sets such that n(A)=5,n(B)=3" and "n(AnnB)=2. (i) n(AuuB)" "(ii) n(AxxB)" "(iii) n{(AxxB)nn(BxxA)} Hint (i) n(AuuB)=n(A)+n(B)-n(AnnB). (ii) n(AxxB)=n(A).n(B) (iii) If n(AnnB)=m" then "n{(AxxB)nn(BxxA)}=2^(m).

If A and B are two sets such that n (A)=27, n(B)=35 and n(A cup B) =50 . Find n(A cap B) .

Let A and B be two finite sets such that n(A) = 20, n(B) = 28 and n(A ∪ B)=36 , then find n(A ∩ B) .

If Aa n dB are two sets such that n(A)=150 ,n(B)=250 a n d n(AuuB)=300. Find n(A-B) a n d n(B-A)dot

If A and B are two sets such that n(A)=20,n(B)=24 and n(A uu B)=40 then write n(A nn B)

If A and B are two sets such that n(A uu B)=50,n(A)=28 and n(B)=32 find n(A nn B).

RD SHARMA-SETS-Solved Examples And Exercises
  1. Let A and B be two sets such tat : n(A)=20 ,\ n(AuuB)=42\ a n d\ n(Ann...

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  2. Let A and B be two sets such tat : n(A)=20 ,\ n(AuuB)=42\ a n d\ n(Ann...

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  3. Let A and B be two sets such tat : n(A)=20 ,\ n(AuuB)=42\ a n d\ n(Ann...

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  4. A survey shows that 76% of the Indians like oranges, whereas 62%like ...

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  5. In a group of 950 persons, 750 can speak Hindi and 460 can speak En...

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  6. In a group of 1000 people all of whom speak atleast one of Bengali or ...

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  7. In a survey of 100 persons it was sound that 28 read magazine A, 30 re...

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  8. In a group of 50 persons, 14 drink tea but not coffee and 30 drink tea...

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  9. In a survey of 100 students, how many of students studying the various...

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  10. Write the number of elements in the power set of null set.

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  11. Let A={x ; x in N ,\ x is a multiple of 3} and B={x : x in N\ a n d\...

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  12. If A and B two sets containing 3 and 6 elements respectively and if mi...

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  13. If A={x in C : x^2=1}\ a n d\ B={x in C : x^4=1} , then write A-B\ a...

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  14. Let A and B be two sets having 4 and 7 elements respectively. Then ...

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  15. If A={(x ,\ y): y=1/x ,\ 0!=x in R}a n d\ B={(x , y): y=-x ,\ x in R...

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  16. If A={(x ,\ y): y=e^x ,\ x in R}a n d\ B={(x , y): y=x, x in R} , th...

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  17. If A and B are two sets such that n(A)=20 ,\ n(B)=24\ a n d\ n(AuuB)=4...

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  18. If A and B are two sets such that n(A)=115 ,\ n(B)=326 ,\ n(A-B)=47 , ...

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  19. For any set A ,(A ')' is equal to a.A ' b. A c. phi d. none of these

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  20. Let A and B be two sets in the same universal set. Then, A-B= a.A\ n...

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