Q17 of 162 Page 1

Mark the correct alternative in the following:

For two sets iff


If A⋃B=A


Then, any element is in B then it is in A⋃B=A


So, B⊂A


If B⊂A


Then, any element of A⋃B is in A.


So, A⋃B=A


Hence, A⋃B=A iff B⊂A

More from this chapter

All 162 →
15

Mark the correct alternative in the following:

In set-builder method the null set is represented by


 16

Mark the correct alternative in the following:

If A and B are two disjoint sets, then n is equal to


 18

Mark the correct alternative in the following:

If A and B are two sets such that n(A) = 70, n(B) = 60, n= 110, then n is equal to


 19

Mark the correct alternative in the following:

If A and B are two given sets, then is equal to