Question

If B – A is B, then A∩B is
(a) A (b) B (c) U (d) ∅

Answer 1

If B-A is B then A intersection of B is null or phi or zero.
Because set A will be null.
so ans is d.

Answer 2

Option ( d ) is correct.

Let A = { 1 , 3 , 5 }

B = { 2 , 4 , 6 }

i ) B - A = { 2,4,6,} - { 1,3,5 }

= { 2, 4,6 }

= B

ii ) A intersection B

= { }

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