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Asked: June 12, 2020In: NCERT 11th Maths

16. In a survey it was found that 21 people liked product A, 26 liked product B and 29 liked product C. If 14 people liked products A and B, 12 people liked products C and A, 14 people liked products B and C and 8 liked all the three products. Find how many liked product C only.

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Asked: June 12, 2020In: NCERT 11th Maths

15. In a survey of 60 people, it was found that 25 people read newspaper H, 26 read newspaper T, 26 read newspaper I, 9 read both H and I, 11 read both H and T, 8 read both T and I, 3 read all three newspapers. Find:

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(i) the number of people who read at least one of the newspapers. (ii) the number of people who read exactly one newspaper.

miscellaneous-sets (ncert class 11th maths)ncertsets
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Asked: June 12, 2020In: NCERT 11th Maths

14. In a group of students, 100 students know Hindi, 50 know English and 25 know both. Each of the students knows either Hindi or English. How many students are there in the group?

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miscellaneous-sets (ncert class 11th maths)ncertsets
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Asked: June 12, 2020In: NCERT 11th Maths

13. In a survey of 600 students in a school, 150 students were found to be taking tea and 225 taking coffee, 100 were taking both tea and coffee. Find how many students were taking neither tea nor coffee?

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miscellaneous-sets (ncert class 11th maths)ncertsets
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Asked: June 12, 2020In: NCERT 11th Maths

12. Find sets A, B and C such that A ∩ B, B ∩ C and A ∩ C are non-empty sets and A ∩ B ∩ C = φ.

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miscellaneous-sets (ncert class 11th maths)ncertsets
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Asked: June 12, 2020In: NCERT 11th Maths

11. Let A and B be sets. If A ∩ X = B ∩ X = φ and A ∪ X = B ∪ X for some set X, show that A = B.

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miscellaneous-sets (ncert class 11th maths)ncertsets
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Asked: June 12, 2020In: NCERT 11th Maths

10. Show that A ∩ B = A ∩ C need not imply B = C.

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miscellaneous-sets (ncert class 11th maths)ncertsets
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Asked: June 12, 2020In: NCERT 11th Maths

9. Using properties of sets, show that

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(i) A ∪ ( A ∩ B) = A (ii) A ∩ (A ∪ B) = A.

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Asked: June 12, 2020In: NCERT 11th Maths

8. Show that for any sets A and B, A = (A ∩ B) ∪ (A – B) and A ∪ (B – A) = (A ∪ B)

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Asked: June 11, 2020In: NCERT 11th Maths

7. Is it true that for any sets A and B, P ( A ) ∪ P ( B ) = P ( A ∪ B )? Justify your answer.

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miscellaneous-sets (ncert class 11th maths)ncertsets
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introduction to three dimensional geometry inverse trigonometric functions limits and derivatives linear inequalities maakaut-2018 maka makaut-303-computer organization makaut-2006 makaut-2007 makaut-2008 makaut-2009 makaut-2010 makaut-2011 makaut-2012 makaut-2013 makaut-2014 makaut-2015 makaut-2016 makaut-2017 makaut-2018 makaut-2019 makaut-bs-ch-101-chemistry-1 makaut-bs-m-102-mathematics-1b makaut-bsm-101-mathematics-1 makaut-cs-301-analog and digital electronics makaut-cs-302-data-structure and algorithm makaut-cs-303-computer organization makaut-es-ee-basic-electrical-enginnering makaut-es-ss-101-electrical-engineering makaut-hm-hu-201(n)-english makaut-m-201-mathematics-ii makaut-mcq makaut-ph-101-phyiscs-1 makaut-ph-101-physics-1 makeut-ph-101-physics-1 makut-2016 makut-mcq mathematical reasoning miscellaneous-binomial theorem (ncert class 11th maths) miscellaneous-ch-1 (ncert class 12th maths) miscellaneous-ch-13 (ncert class 11th maths) miscellaneous-ch-14 (ncert class 11th 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