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Every resident in Guwahati can speak eit...

Every resident in Guwahati can speak either Assamese or English (or both). If 70% can speak Assamese and 55% can speak English, what percent can speak both?

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KALYANI PUBLICATION-MATHEMATICAL LOGIC-EXERCISE
  1. Using various laws on operations on sets prove the following : A - ...

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  2. Using various laws on operations on sets prove the following : A nn ...

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  3. Using properties of sets prove the following : A - (B nn C) = (A- B)...

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  4. Using various laws on operations on sets prove the following : A - (...

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  5. Using various laws on operations on sets prove the following : A uu ...

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  6. If n(A uu B) = 50, n(A) = 31 and n(B) = 23, find n(A nn B), n(A-B) and...

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  7. If n(H nn E) = 11, n(H - E) = 22, n(E - H) = 12, find n(H), n(E) and n...

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  8. If n(A) = 30, n(B') = 6, n(A nn B) = 25 and n(B-A) = 37, find n(B), n(...

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  9. Every resident in Guwahati can speak either Assamese or English (or bo...

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  10. 20 students are getting 'letter marks' either in Mathematics or in Adv...

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  11. There are 60 students in a class. Out of them 25 students play foot ba...

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  12. In a hotel there are 100 students. Out of them 80 like to take tea and...

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  13. Out of 45 students, 22 of them can speak only Hindi and 11 of them can...

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  14. 2000 examinees appeared in an examination in two subjects namely Mathe...

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  15. There are 210 members in a club, 100 of them drink tea and 65 drink te...

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  16. There are 210 members in a club, 100 of them drink tea and 65 drink te...

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  17. For a certain test, a candidate could offer English or Hindi or both t...

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  18. For a certain test, a candidate could offer English or Hindi or both t...

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  19. For a certain test, a candidate could offer English or Hindi or both t...

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  20. For a certain test, a candidate could offer English or Hindi or both t...

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