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If n(A) = 12, n(B) = 16, n(C ) = 21, n(A...

If `n(A) = 12, n(B) = 16, n(C ) = 21, n(A capB) = 5, n(A cap C) = 8, n(B cap C) = 12, n (A cap B cap C) = 3", then " n (A cup B cup C) = `

A

59

B

31

C

34

D

27

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-SETS ( APPENDIX - 1)-EXERCISE
  1. If A sube B, n(A) = 25, n(B) = 35," then " n (A cap B) =

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  2. If A, B, C are three sets and S in the universal set such that n(S) = ...

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  3. If n(A) = 12, n(B) = 16, n(C ) = 21, n(A capB) = 5, n(A cap C) = 8, n(...

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  4. If n(A) = 10, n (B) = 15, n(C ) = 20, n (A cap B) = 4, n (A cap C) = 7...

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  5. In a class 16 students read Mathematics , 17 read General Science and ...

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  6. 90 students take Mathematics , 72 take Science in a class of 120 stude...

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  7. If A = { Prime numbers } , B = {Even numbers}, then n(A cap B) =

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  8. A survey shows that in a city that 63% of the citizens like tea where ...

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  9. An investigator interviewed 100 students to determine their preference...

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  10. In a twon of 10,000 families it was found that 40% families buy newspa...

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  11. From 50 students taking examinations in mathematics, physics and chemi...

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  12. Which of the following statements is true ?

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  13. The shaded area in the figure is

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  14. The shaded area in the figure is

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  15. A = {x : x in R, x ge 2}, B = {x : x in R , x lt 4} " then " A cap B =

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  16. A = {x : x in R, |x| lt 1}, B = {x : x in R,| x - 1| ge 1} " and " A c...

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  17. A = {8^(n) - 7n - 1 : n in N}, B = {49(n-1) : n in N } then

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  18. If X = {4^(n) - 3n - 1: n in N} " and " Y = {9(n-1): n in N}, where N ...

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  19. A = {(x,y) : y = 1//x,0 ne x in R} , B = {(x, y) : y = - x, x in R} th...

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  20. A = {x : cos x gt - 1//2, 0 le x le pi}, B = {x : sin x gt 1//2,pi//3 ...

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