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If A=P({1, 2}) where P denotes the power...

If A=P({1, 2}) where P denotes the power set, then which one of the following is correct?

A

`{ 1,2} sub A `

B

` 1 in A `

C

` phi cancel (in) A `

D

` { 1,2 } in A `

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The correct Answer is:
D
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S CHAND IIT JEE FOUNDATION-PROBABILITY-QUESTION BANK -30
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  2. If X and Y are any two non-empty sets, then what is (X-Y)' equal to?

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  3. Out of 32 persons, 30 invest in National Savings Certificates and 17 i...

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  4. If A=P({1, 2}) where P denotes the power set, then which one of the fo...

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  5. Which one of the following statement is correct? where P(A) den...

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  6. If mu is the universal set and P is a subset of mu then what is Pnn(P-...

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  7. If F(n) denotes the set of all divisors of n except 1, what is the lea...

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  8. Consider the following for any three non-empty sets, A, B and C. 1...

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  9. Let A and B be two non-empty subsets of a set X. If (A-B)uu(B-A)=AuuB...

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  10. Which one of the following is correct ?

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  11. If A = { 1,2,3} , B = { 1,2} and C = { 2,3} , which one of the foll...

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  12. If A and B are finite sets, which of the following is the correct st...

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  13. Out of 40 children , 30 can swim,27 can play chess and 5 can do ne...

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  14. Which one of the following is correct ?

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  15. Consider the following statements: For non empty sets A, B and C ...

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  16. Out of 800 students in a school ,125 played cricket , 220 played footb...

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  17. If n (A) = 65, n(B) = 32 and n (A nn B) = 14, then n (A Delta B) ...

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  18. Two finite sets have m and n elements. The total number of subsets of ...

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  19. U is a universal set and n (U) = 160 where A ,B and C are subset of...

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  20. Match List- I with List-II and select the correct answer using the c...

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