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If the number of all possible subsets of...

If the number of all possible subsets of A = {-1,0,1} is `2^n` , then n is equal to

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PATHFINDER-SET,VENN DIAGRAM AND RELATION-QUESTION BANK
  1. If S={1,2,3,4,….10} be a universal set and A={1,2,5} and B={6,7} then ...

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  2. If A = {x:x in N and x is even} B = {x:x in N and x is prime} then...

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  3. If the number of all possible subsets of A = {-1,0,1} is 2^n , then n ...

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  4. If A and B are two sets containing 3 and 6 elements respectively. What...

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  5. For any three sets A,B,C prove that following (by using different laws...

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  6. For any two sets A,B prove that following : , (A cup B) cap (A cup B'...

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  7. For any three sets A,B,C prove that following , A cup B = (A-B) cup (...

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  8. Shade the following sets : A' cup B'

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  9. Shade the following sets : A' cap B'

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  10. In a group of 70 people,37like coffee,52 like tea and each person like...

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  11. If 53% of persons like oranges where 66% like apples, what can be said...

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  12. Let A has 3 elements and B has 6 elements What can minimum number of e...

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  13. In a group of 2000 people there are 1500, who can speak Hindi and 800,...

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  14. A class has 175 students following is the description showing the numb...

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  15. In a committee 50 people speak Hindi , 20 speak English and 10 speak b...

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  16. In an examination 56% of the candidates failed in English and 48% Fail...

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  17. A school awarded 42 medals in hockey, 18 in basketball and 23 in crick...

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  18. A survey shows that 73% of the indians like apples whereas 65% like or...

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  19. Suppose A1 , A2 ..... A30 are thirty sets each with five elements and ...

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  20. Let A = {1,2,3}, B = {3,4} , C = {4,5,6} Then A cup (B cap C) is

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