Kindly explain how to answer this question :

Let  = x N ;   x 10 ,   A = x N ;   1 x 3 < 150   and   B = x N ;   x   is   prime   number   greater   than   2   and   C = x N ;   5 x   then   number   of   elements   in   ( A ° B ° C ° )   is
(A) 3
(B) 4
(C) 8
(D) 5

  • 0
What are you looking for?