Question

3. Let R= {ac] x E N , x is a multiple of 3 and xs 100;
S = {x | x N , x is a multiple of 5 and x S 100}.
What is the number of elements in
(
RS) n (S X R)?
(a) 36 (b) 33 (c) 20 (d) 6​

Answer 1

Let R= {ac] x E N , x is a multiple of 3 and xs 100;

S = {x | x N , x is a multiple of 5 and x S 100}.

What is the number of elements in

(

RS) n (S X R)?

(a) 36 (b) 33 (c) 20 (d)