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Sixty five percent of children in a spor...

Sixty five percent of children in a sport club play football,70 percent play volleyball and 75 play basketball. What is the smallest percentage of children playing all the three games ?

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`10%`
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PATHFINDER-SET,VENN DIAGRAM AND RELATION-QUESTION BANK
  1. Let A = {1,2,3}, B = {3,4] and C = {4,5,6} Find (A xx B ) cup (A xx C)

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  2. If P = {1,2}, form set set P xx P xx P

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  3. Sixty five percent of children in a sport club play football,70 percen...

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  4. A survey shows that 63% of the indians like cheese where as 76% like a...

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  5. Let A and B be two sets such that A cup B = A . Then A cap B is equal ...

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  6. If A and B are two sets then ( A-B) cup (B-A) cup (A cap B) is equal t...

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  7. Let A and B be two sets . Then (A cup B)' cup (A' cap B) is equal to

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  8. If A = ]2,4[ and B = [3,5[, then find A cap B

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  9. If A = { x: x in N, is a factor of 6 } and B = { x in N : x is a fact...

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  10. If A and B are two sets such that n(A) = 27, n(B) = 35 and n(A cup B) ...

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  11. Let U be the universal set and A cup B cup C = U , Then {(A- B) cup...

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  12. 20 teachers of a school either teach mathematics or physics. 12 of the...

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  13. of the members of three athletic teams in a school, 21 are in the cric...

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  14. In a B school there are 15 teachers who teach marketing or finance. Of...

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  15. If X and Y are two sets such that (X cup Y) has 60 elements ,X has 38 ...

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  16. In a school 80 students like chocolate , 40 like coffee if the number ...

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  17. There are 200 students in a B school, 120 have been taken in project o...

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  18. In a school 50 student play cricket , 70 play football while 30 play n...

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  19. In a school there are 100 students 60 of them don't like chocolate ad ...

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  20. A dinner party is to be fixed for a group of 100 persons. In this part...

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