If Harish has a Mobile and he wants a Tablet. Shivam has a Laptop and he wants a Mobile in exchange of laptop, than what problem Harish and Shivam are facing:
Ans – (b) Explanation:- Harish and Shivam do not have what they both have and want simultaneously. Harish wants a tablet but Shivam has a laptop. Shivam wants a mobile but Harish wants a tablet in return. Thus, it is…