Can someone explain sets to me?

Test Preparation
1

<p>The question reads </p>

<p>P={1,3,5,6}
Q={2,4,6,7,9}</p>

<p>Sets P and Q are shown above. If x is a member of set P and y is a member of set Q, which of the following CANNOT be equal to the product xy?</p>

<p>(A) 16
(B) 18
(C) 20
(D) 21
(E) 24</p>

<p>Yeah, it's the 4th question in a section so it should be cake, but I've never learned or even heard about sets. Can someone kindly explain to me what's going on?</p>

2

<p>you just need to find all of the possible products using one number from p and one number from q</p>

<p>1x2, 1x4, 1x6, etc.</p>

<p>i don't think you can get 16?</p>

3

<p>yeah it's 16. Thanks for the explanation. Damn I really feel like an idiot because I just came across something else that really confuses me. It's question #8 (in the 20 q sec) so it should also be really easy but yeah...</p>

<p>If 10 # h = 98, then h =?
a =8
b=9
c=10
d=11
e=12</p>

4

<p>Didn't it explain what # means, first? Usually they make up functions to go with symbols, tell you what they are, and then have you apply them.</p>

5

<p>yeah im a tard. That and the following question applied to an earlier question that gave a function. That's why i was like *** is going on</p>

6

<p>Post entire question please.. =[</p>