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Let R be a relation defined on set A={1,...

Let R be a relation defined on set `A={1, 2, 3,4,5,6,7,8}` such that `R={(2,3)(4,5)(7,8)}`. If the domain of R is set B and range is set C then `BnnC` is

A

`phi`

B

{2, 4, 7}

C

{3, 5, 8}

D

{3}

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A
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AAKASH INSTITUTE-RELATIONS AND FUNCTIONS -Assignment (Section - B) Objective Type Questions (one option is correct)
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  3. Let R be a relation defined on set A={1, 2, 3,4,5,6,7,8} such that R=...

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  4. Consider two sets A = {a, b}, B = {e, f}. If maximum numbers of relati...

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  5. Consider three sets A = {1, 2, 3}, B = {3, 4, 5, 6}, C = {6, 7, 8, 9}....

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  6. Consider the set A= {3, 4, 5} and the number of null relations, identi...

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  7. Let L be the set of all straight lines in plane. l(1) and l(2) are two...

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  8. Let R be a relation on A = {a, b, c} such that R = {(a, a), (b, b), (c...

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  9. Let R be a relation on the set of all real numbers defined by xRy iff ...

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  11. Let S be the set of all real numbers. Then the relation R= {(a,b):1+...

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  14. For real numbers x and y, we write x* y, if x - y +sqrt2 is an irratio...

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  16. Which of the functions defined below is one one function ?

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  17. Let f(x) = ax^(3) + bx^(2) + cx + d, a != 0, where a, b, c, d in R. If...

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  18. Let A = {1, 2, 3}, B = {a, b, c}, C {a(1), b(1), c(1), d(1), e(1)} an...

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  20. Let f : [2, 4) rarr [1, 3) be a function defined by f(x) = x - [(x)/(2...

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