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A = { set of all multiples of 3 less ...

A = { set of all multiples of 3 less than 20 }
B = { set of the multiples of 2 less than 18 }
`n((Axx B) nn (B xx A))` is

A

9

B

2

C

16

D

25

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The correct Answer is:
B
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NEW JOYTHI PUBLICATION-RELATIONS AND FUNCTIONS -EXERCISE
  1. A= {1,2,3,4} , B={3,4,5} then (A xx B)nn (B xx A)=

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  2. A = { set of all multiples of 3 less than 20 } B = { set of t...

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  3. A is the set of all prime number less than 10. then number of...

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  4. Let X ={ 1,2,3,4,5} and Y= {1,3,5,7,9} which of the following is ...

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  5. R is a relation on the set A = { 1,2,3,4,6,7,8,9} given by x Ry a...

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  6. Let A and B be two sets having m and n elements respectively ....

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  7. Number of mappings from an empty set to a non empty set with n ...

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  8. If N is the set of alll natural numbers then which of the follo...

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  9. g={(1,1),(2,3),(3,5) , ( 4,7)} is a function such that g(x) = ax +b...

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  10. Let f={(1,1),(2,3),(0,-1) , (-1,-3) } be a relation from Z to Z d...

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  11. The domain of the function f(x) = sqrt( x^2 +1) is

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  12. The domain of f(x) = sqrt(16 -x^2 ) is

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  13. The range of f(x) = x^2 + 1 is

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  14. The domain of f(x)= (1)/( x^2 +1) is

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  15. The domain of sqrt((1)/( 1-x^2)) is

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  16. The range of f(x) = ( x-3)/( 3-x), x ne 3 is

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  17. F : R to R defined by f (x) = (1)/(2x^2 +5) the range of F is

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  18. The domain of f(x) = (1)/( sqrt( |X|-x) is

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  19. The domain of f(x) = (sqrt(17-15 x-2x ^2))/(x+3) is

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  20. If for a function f : R to R f (x +y ) =F(x ) + f(y) for all ...

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