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In an examination 50% of the students pa...

In an examination 50% of the students passed in Mathematics and 70% of students passed in Science while 10% students failed in both subjects. 300 students passed in atleast one subjects. Find the total number of students who appeared in the examination, if they took examination in only two subjects.

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SURA PUBLICATION-SET LANGUAGE-EXERCISE 1.6
  1. If n(A) = 25, n(B) = 40, n(AcupB)=50 and n(B') = 25, find n(AcapB) and...

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  2. If n(A) = 300, n(AcupB)=500,n(AcapB)=50 and n(B') = 350, find n(B) and...

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  3. If U={x:x inNN,xle10}, A = {2, 3, 4, 8, 10} and B = {1, 2, 5, 8, 10}, ...

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  4. Verify n(AcupBcupC)=n(A)+n(B)+n(C)-n(AcapB)-n(BcapC)-n(AcapC)+n(AcapBc...

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  5. In a class, all students take part in either music or drama or both. 2...

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  6. In a party of 45 people, each one likes tea or coffee or both. 35 peop...

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  7. In an examination 50% of the students passed in Mathematics and 70% of...

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  8. A and B are two sets such that n(A - B) = 32 + x, n(B - A) = 5x and n(...

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  9. Out of 500 car owners investigated, 400 owned car A and 200 owned car ...

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  10. In a colony, 275 families buy Tamil newspaper, 150 families buy Englis...

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  11. A survey of 1000 farmers found that 600 grew paddy, 350 grew ragi, 280...

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  12. In the adjacent diagram, if n(U) = 125, y is two times of x and z is 1...

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  13. Each student in a class of 35 plays atleast one game among chess, carr...

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  14. In a class of 50 students, each one come to school by bus or by bicycl...

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  15. From the given venn diagram. Find (i) A, (ii) B, (iii) AcupB, (iv) Aca...

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  16. If n(A) = 12, n(B) = 17 and n(AcupB)=21" find "n(AcapB).

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  17. In a school, 80 students like Maths, 90 students like Science, 82 stud...

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  18. State the formula to find n(AcupBcupC).

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  19. Verify n(AcupBcupC)=n(A)+n(B)+n(C)-n(AcapB)-n(BcapC)-n(AcapC)+n(AcapBc...

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