Press Enter

Share with your friends and help them crack UPSC!

Or Share on

Answer

Correct Option is When person visit in IFB store and ask for model number CX220.

In the following DFD we can see that person visited the IFB store, he/she asked for model CX220.Then he/she checked out the model and decided to buy it. So this condition is sufficient to make sure that person buy TV from one of the three stores.  

Get access to all of our verified questions