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Set A and B have 4 and 6 elements respec...

Set A and B have 4 and 6 elements respectively. The maximum number of elements in `A uu B` is

A

2

B

24

C

6

D

10

Text Solution

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The correct Answer is:
D
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FIITJEE-TIPS-ASSIGNMENT (SECTION (I): MCQ (SINGLE CORRECT)
  1. If X and Y are two sets, then X nn (Y uu X)^(c ) equals

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  2. If the sets A and B are defined are defined as A={(x,y):y=e^x, x in R}...

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  3. Set A and B have 4 and 6 elements respectively. The maximum number of ...

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  4. Let A={a, b, d, e}=B={c, d, f, m}, C={a, l, m, o}. Then C nn(Auu B) wi...

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  5. Let n(U) = 700, n(A) = 200, n(B) = 300 and n(AuuB) = 400. Then n(A^c u...

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  6. A-B is equal to

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  7. If the sets A and B are defined are defined as A={(x,y):y=e^x, x in R}...

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  8. Let A={(x, y)|y=e^(x), x in R} and B={(x, y)|=e^(-x), x in R}. Then

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  9. Suppose A(1), a(2),…….,A(30) are thirty sets each with five elements a...

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  10. Consider the set A of all determinants of order 3 with entries 0 or 1 ...

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  11. If 1/1^2+1/2^2+1/3^2....oo=pi^2/6 then 1/1^2+1/3^2+1/5^2....=

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  12. The sum to infinity of the series 1+2(1-(1)/(n))+3(1-(1)/(n))^(2)+ ....

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  13. Value of 1+1/(1+2)+1/(1+2+3)+....+1/(1+2+3+....+n) is equal to

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  14. Sides of triangle ABC, a, b, c are in G.P. If 'r' be the common ratio ...

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  15. If a ,b ,c in R^+, t h e n(b c)/(b+c)+(a c)/(a+c)+(a b)/(a+b) is alwa...

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  16. If x ,y ,z are real and 4x^2+9y^2+16 z^2-6x y-12 y z-8z x=0,t h e nx ,...

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  17. Q. if x1,x2......xn are in H.P., then sum(r=1)^n xr x(r+1) is equal to...

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  18. Given(1+x^2)^2 (1+x)^n = sum ar x^r. If a0,a1 and a2 are in A.P. then ...

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  19. If a, b, c are distinct real numbers such that a, b, c are in A.P. and...

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  20. Value of (1^2)/1+(1^2+2^2)/(1+2)+(1^2+2^2+3^2)/(1+2+3)+.... 'n' terms...

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