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36 candidates appeared for an examinatio...

36 candidates appeared for an examination, 15 candidates passed I mathaematics, 15 candidates passed in physics, 20 candidates passed in chemistry, 3 candidates passed only in matematics, 4 candidates passed only in physics, 7 candidates passed only in chemistry and 2 candidates in all the three subjects. Then the number of cendidates who passed only in two subjects is-

A

17

B

20

C

18

D

15

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The correct Answer is:
D
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 8
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  4. If n(A) =4, n(B)=3 and n(Axx B xxC)=24, then the value of n(C ) is-

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  5. Two finite sets A and B are having m and n elements.The total number o...

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  6. Let R = {(3,3)}, (6,6) , (9,9) ,(12,12), (6,12),(3,9), (3,12), (3,6)},...

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  9. Let A ={-3, -2, -1, 0,1,2} and ZZ be the set of integers. If f: A to Z...

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  13. If f (x) =(e^(x) -e ^(-x))/( e ^(x) +e^(-x)) +2, then the value of f ^...

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  14. Let alpha and beta be the distinct roots of ax^(2) + bx + c = 0 then u...

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  15. If 2f ((1)/(x)) +f(x) =3x, then the value of f (2) is-

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  16. The domain of defination of the function f(x) =sqrt((sqrt(x+1))/(sqrtx...

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  17. The range of the function f (x) = ""^(9-x) P (x-1) is-

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  18. The period of the function sin ^(4) x+ cos ^(4) x is -

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  19. The value of lim (xto0) (xe ^(x)- log (1+x))/(x ^(2)) is equal to-

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