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Find the pairs of equal sets from the following sets, if any, giving reasons: `A={0},\ B={x : x > 15\ a n d\ x<5},\ C={x : x-5=0},\ D={x : x^2=25}` `E={x : x` is an integral positive root of the equation `x^2-2x-15=0}` .

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RD SHARMA ENGLISH-SETS-All Questions
  1. Describe the following set in set builder form: {2,4,6,8,......}

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  2. Describe the following set in set builder form: {5, 25 , 125 , 625}

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  3. Find the pairs of equal sets from the following sets, if any, giving ...

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  4. Which of the following are examples of empty set? Set of all even natu...

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  5. Which of the following are examples of empty set? Set of all even prim...

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  6. Which of the following are examples of empty set? {x : x^2-2=0\ a n d\...

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  7. Which of the following are examples of empty set? {x : x is a natural ...

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  8. Which of the following are examples of empty set? {x : x is a point co...

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  9. Are the following sets equal? A={x : x is a letter in the word reap} ,...

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  10. Are the following pairs of sets equal? Give reason. A={1,2,3},\ B{x ; ...

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  11. Are the following pairs of sets equal? Give reason. A={x : x is a lett...

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  12. Which o the following sets are equal? A={x : x in N ,\ x<3},\ B={1,2}...

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  13. Show that the set of letters needed to spell “CATARACT” and the set of...

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  14. When we study two dimensional coordinate geometry, then the set of all...

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  15. If A={1,2,3} B={2,4,5,6} a n d C ={1,3,5,7}, t h e n U={1,2,3,4,5,6,7}...

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  16. When we are using sets containing natural numbers, then N is the un...

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  17. Let A={1,2,3}dot Then the subsets of A are: varphi,\ {1},{2},{3},{1,2}...

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  18. If A is the void set varphi then P(A)= .

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  19. An investigator interviewed 100 students to determine the performance ...

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  20. Show that n{P{P(P(varphi))}}=4.

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