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A and B are two sets such that A cup B ...

A and B are two sets such that `A cup B ` has 18 elements . If A has 8 elements and B has 15 elements, in `A cap B` will be

A

5

B

8

C

7

D

4

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The correct Answer is:
A
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S CHAND IIT JEE FOUNDATION-SETS-Question Bank
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  2. Let A = {even numbers } , b = { prime numbers } Then , A cap B equals

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  3. If A = {1, 2, 3, 4} , then B = {2, 4, 5, 6} and C = {1, 2, 5, 7, 8} , ...

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  4. A and B are two sets such that A cup B has 18 elements . If A has 8 e...

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  5. if X and Y are two sets , then X cap (Y cup X)'equals

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  7. Let P = Set of all integral multiples of 3 Q = set of all integral...

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  8. If P = {2 m : m in N} and Q = {2^(m) : m in N} , where m is positive, ...

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  11. Complete the following table by filling the empty boxes. Changing mi...

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  12. If A cap B = A and B cap C = B , " then " A cap C is equal to :

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  17. In a class of 50 students, 35 opted for Mathematics and 37 opted for ...

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  18. There are 19 hockey players in a club. On a particular day, 14 were we...

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  19. Consider the given diagram 500 candidate appeared in an examination c...

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  20. In an examination 70% students passed both in Mathematics and Physic...

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