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In a twon of 10,000 families it was found that 40% families buy newspaper A , 20% families buy newspaper B and 10% families buy newspaper C. 5% families buy A and B, 3% buy B and C and 4% buy A and C. If 2% buy all the three newspapers, the number of families which buy none of A, B , C is

A

`3000`

B

`4000`

C

`4500`

D

`3500`

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-SETS ( APPENDIX - 1)-EXERCISE
  1. A survey shows that in a city that 63% of the citizens like tea where ...

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

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

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

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  5. Which of the following statements is true ?

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  6. The shaded area in the figure is

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  7. The shaded area in the figure is

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

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

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

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

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

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  13. 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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  14. If aN = {ax : x in N} " then " 3N cap 7N =

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  15. If aN = {ax : x in N} " and " bN cap cN = dN " where " b,c in N are ...

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  16. Which of the following is an empty set

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  17. The smallest A such that A cup {1,2} = {1,2,3,5,9} is

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  18. In a college of 300 students, every student reads 5 newspapers and eve...

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  19. Consider the set A of all determinants of order 3 with entries 0 or 1 ...

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  20. Suppose A(1),A(2),…,A(30) are 30 sets each with 5 elements and B(1),B(...

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