Find the intersection of the three sets: A = {–4, 3, 10}, B = {3, 6, 10, 15}, C = {–4, 10, 20}.
(Points : 1)
{10}
{–4, 10}
{–4, 3, 10}
{–4, 3, 6, 10, 15, 20}

Question

Find the intersection of the three sets: A = {–4, 3, 10}, B = {3, 6, 10, 15}, C = {–4, 10, 20}.
(Points : 1)
       {10}
       {–4, 10}
       {–4, 3, 10}
       {–4, 3, 6, 10, 15, 20}

anonymous · Answer

What are the numbers that are present in A, B and C too??

gorv · Answer

intersection means common element in all 3 sets

anonymous · Answer

Those numbers will form a set of Intersection..

gorv · Answer

check which number is in all 3 sets that will be in intersection set

gorv · Answer

n only one is common in all :P

anonymous · Answer

The number should be in all 3 sets..

gorv · Answer

@waterineyes  that will be union

anonymous · Answer

Really?? @gorv

anonymous · Answer

so its {-4,10} ?

anonymous · Answer

You are thinking too much, have some rest.. @gorv

anonymous · Answer

-4 is in all 3 sets??

anonymous · Answer

Check it again with your eyeballs.. :)

anonymous · Answer

so its just {10}

anonymous · Answer

Well said..!! :)

gorv · Answer

u posted 2 days later

gorv · Answer

and i slept during that time

anonymous · Answer

Who??

gorv · Answer

so didint read ..what u posted initially that means union

anonymous · Answer

That is why I said, don't think too much.. :) Relax.. :)

anonymous · Answer

Yeah it you will read only first sentence of mine, then you will surely say I am talking of Union..

My mistake.. Sorry.. :)