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If A = {Student in VIII class of age 13 ...

If A = {Student in VIII class of age 13 years} and B = {Students in IX class of age 13years}, then `A nn B = "____"`. (`phi` students of age 13 years)

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The correct Answer is:
`varphi`
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PEARSON IIT JEE FOUNDATION-SETS-TEST YOUR CONCEPTS (Very Short Answer Type Questions)
  1. If A is any non-empty set, with 3 elements then number of subsets of A...

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  2. If X={S,T,U,V} and Y = {s,t,u,v}, then P and Q are sets. (equal/equiv...

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  3. If PsubeQ and QsubeP, then .

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  4. If A and B are two non-empty sets, then n(A xxB) can be 17. (True/Fal...

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  5. If A and B are disjoint sets, then draw their venn diagram

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  6. If A and B are two non-empty sets and A - B is a null set, then "".

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  7. If n (A Delta B) = 12 and n(A nn B) = 3, then find the greatest possib...

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  8. If A = {1,2}, B = {1,2,3} and c = {1,2,3,4,5} then the relation betwee...

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  9. If B is contained in A and C is contained in B, then relation between ...

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  10. If A={1,2,3,4,5, 6} and B = {4,1}, then find (AuuB)-(AnnB).

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  11. If (2x+3,4y-3) = (9,13) then find x + y.

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  12. If n(A) = 12 and n(B) = 20, then find n(A DeltaB) when (i) A and B ar...

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  13. If n(A) = 12 and n(B) = 20, then find n(A DeltaB) when (i) A and B ar...

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  14. Draw overlapping sets and shade the following. (i) A nn (B uu C).

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  15. In the above Venn diagram, (AnnC)uu(BnnC)=

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  16. The dual statement of A - (B uu C) = (A - B) nn (A - C) is "".

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  17. If A = {Student in VIII class of age 13 years} and B = {Students in IX...

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  18. If A= {composite numbers}, B = {prime numbers} and C = {even numbers},...

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  19. If B = {***, Delta, ?, !}, then n[P(B)] = "".

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  20. [A - (B - A)] uu [B - (A - B)]

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