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If n(AuuBuuC)=100,n(A)=4x,n(B)=6x,n(C)=5...

If `n(AuuBuuC)=100,n(A)=4x,n(B)=6x,n(C)=5x,n(AnnB)=20,n(BnnC)=15,n(AnnC)=25` and `n(AnnBnnC)=10` then the value of x is .

A

10

B

15

C

25

D

30

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The correct Answer is:
A
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SURA PUBLICATION-II TERM SUMMATIVE ASSESSMENT 2018-19-SUBJECTIVE
  1. If n(AuuBuuC)=100,n(A)=4x,n(B)=6x,n(C)=5x,n(AnnB)=20,n(BnnC)=15,n(AnnC...

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  2. Draw the Venn diagram of Auu(BnnC)

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  3. Find the value of (243)^(2//5)

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  4. Simplify sqrt(63)-sqrt(175)+sqrt(28)

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  5. Represent the following information in scientific notation : The wor...

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  6. Show that (x+ 2) is a factor of x^(3) -4x^(2) - 2x + 20

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  7. Expand (2x+3y+4z)^(2)

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  8. Find a^(3) + b^(3) if a + b = 6, ab = 5

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  9. The radius of the circle is 25 cm and the length of one of its chord i...

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  10. Find the value of x

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  11. Find all the angles of the given cycle quadrilateral ABCD in the figur...

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  12. The mean weight of 4 members of a family is 60 kg Three of them have t...

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  13. The following are the scores obtained by 11 players in a cricket match...

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  14. Find the mode of the given data : 3.1, 3.2, 3.3, 2.1, 1.3, 3.3, 3.1

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  15. If U={4,7,8,10,11,12,15,16}, A={7,8,11,12} and B={4,8,12,15} and (AuuB...

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  16. If ( x-1) divides the polynomial kx^(3) - 2x^(2) + 25 x -26 without re...

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  17. If A={11,13,14,15,16,18},B={11,12,15,16,17,19} and C={13,15,16,17,18,2...

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  18. Verify (AuuB)'=A'nnB' using Venn diagram.

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  19. A survey of 1000 farmers found that 600 grew paddey, 350 grew ragi, 28...

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  20. Arrange is ascending order: root(3)(2),root(2)(4),root(4)(3)

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  21. If a=4,b=5 and c=6 then find the value of [((ab+bc+ca-a^(2)-b^(2)-c^(2...

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