Tricks to Solve Logical Deduction

Tricks to Solve Logical Deduction

Hi all,
I solved a question (check out the attachments),I explained the answer too this is the easiest way of solving these type of questions they just need an understanding of venn diagrams and a little practice.
If any of you guys do not understand the explanation send me a question .I try my best to answer it.

Regards,
Silaparasetti Ganesh